diff --git a/ui/src/client/fetcher.ts b/ui/src/client/fetcher.ts
index 66c0579c3..12d893e0f 100644
--- a/ui/src/client/fetcher.ts
+++ b/ui/src/client/fetcher.ts
@@ -108,15 +108,15 @@ async function handleResponse(
     if (response.status === 401 && redirect) {
       window.location.href = '/sign-in'
     }
+    let error
+    try {
+      error = await response.json()
+    } catch {
+      error = 'Oops! something went wrong.'
+    }
     if (showError) {
-      let message
-      try {
-        message = errorToString(await response.json())
-      } catch {
-        message = 'Oops! something went wrong.'
-      }
-      store.dispatch(errorOccurred(message))
-      throw new Error(message)
+      store.dispatch(errorOccurred(errorToString(error)))
     }
+    throw error
   }
 }
diff --git a/ui/src/components/sharing/index.tsx b/ui/src/components/sharing/index.tsx
index 39b084874..6823259be 100644
--- a/ui/src/components/sharing/index.tsx
+++ b/ui/src/components/sharing/index.tsx
@@ -23,24 +23,23 @@ import {
 } from '@chakra-ui/react'
 import cx from 'classnames'
 import FileAPI from '@/client/api/file'
-import { geOwnerPermission } from '@/client/api/permission'
 import { swrConfig } from '@/client/options'
 import { useAppDispatch, useAppSelector } from '@/store/hook'
 import { sharingModalDidClose } from '@/store/ui/files'
-import SharingGroupOverview from './sharing-group-overview'
-import SharingUserOverview from './sharing-user-overview'
+import SharingGroupForm from './sharing-group-form'
+import SharingUserForm from './sharing-user-form'
 
 const Sharing = () => {
   const dispatch = useAppDispatch()
   const selection = useAppSelector((state) => state.ui.files.selection)
   const isModalOpen = useAppSelector((state) => state.ui.files.isShareModalOpen)
-  const { data: file } = FileAPI.useGet(selection[0], swrConfig())
+  const isSingleSelection = selection.length === 1
   const { data: userPermissions } = FileAPI.useGetUserPermissions(
-    file && geOwnerPermission(file.permission) ? file.id : undefined,
+    isSingleSelection ? selection[0] : undefined,
     swrConfig(),
   )
   const { data: groupPermissions } = FileAPI.useGetGroupPermissions(
-    file && geOwnerPermission(file.permission) ? file.id : undefined,
+    isSingleSelection ? selection[0] : undefined,
     swrConfig(),
   )
 
@@ -69,7 +68,7 @@ const Sharing = () => {
                   className={cx('flex', 'flex-row', 'items-center', 'gap-0.5')}
                 >
                   <span>Users</span>
-                  {file && userPermissions && userPermissions.length > 0 ? (
+                  {userPermissions && userPermissions.length > 0 ? (
                     <Tag className={cx('rounded-full')}>
                       {userPermissions.length}
                     </Tag>
@@ -81,7 +80,7 @@ const Sharing = () => {
                   className={cx('flex', 'flex-row', 'items-center', 'gap-0.5')}
                 >
                   <span>Groups</span>
-                  {file && groupPermissions && groupPermissions.length > 0 ? (
+                  {groupPermissions && groupPermissions.length > 0 ? (
                     <Tag className={cx('rounded-full')}>
                       {groupPermissions.length}
                     </Tag>
@@ -91,10 +90,10 @@ const Sharing = () => {
             </TabList>
             <TabPanels>
               <TabPanel>
-                <SharingUserOverview />
+                <SharingUserForm />
               </TabPanel>
               <TabPanel>
-                <SharingGroupOverview />
+                <SharingGroupForm />
               </TabPanel>
             </TabPanels>
           </Tabs>
diff --git a/ui/src/components/sharing/sharing-form-skeleton.tsx b/ui/src/components/sharing/sharing-form-skeleton.tsx
index b6b6e40a6..bb747a11e 100644
--- a/ui/src/components/sharing/sharing-form-skeleton.tsx
+++ b/ui/src/components/sharing/sharing-form-skeleton.tsx
@@ -12,9 +12,9 @@ import cx from 'classnames'
 
 const SharingFormSkeleton = () => (
   <div className={cx('flex', 'flex-col', 'gap-1.5')}>
-    <Skeleton className={cx('rounded-xl', 'w-[40px]')} />
-    <Skeleton className={cx('rounded-xl', 'w-[40px]')} />
-    <Skeleton className={cx('rounded-xl', 'w-[40px]')} />
+    <Skeleton className={cx('rounded-xl', 'h-[40px]')} />
+    <Skeleton className={cx('rounded-xl', 'h-[40px]')} />
+    <Skeleton className={cx('rounded-xl', 'h-[40px]')} />
   </div>
 )
 
diff --git a/ui/src/components/sharing/sharing-group-overview.tsx b/ui/src/components/sharing/sharing-group-form.tsx
similarity index 68%
rename from ui/src/components/sharing/sharing-group-overview.tsx
rename to ui/src/components/sharing/sharing-group-form.tsx
index d5384f8ca..2d06d2274 100644
--- a/ui/src/components/sharing/sharing-group-overview.tsx
+++ b/ui/src/components/sharing/sharing-group-form.tsx
@@ -10,17 +10,20 @@
 import { useCallback, useState } from 'react'
 import { Link, useParams } from 'react-router-dom'
 import { Button } from '@chakra-ui/react'
-import { IconAdd, IconCheck, SectionPlaceholder, Select } from '@koupr/ui'
+import {
+  IconAdd,
+  IconCheck,
+  SectionError,
+  SectionPlaceholder,
+  Select,
+} from '@koupr/ui'
 import { OptionBase } from 'chakra-react-select'
 import cx from 'classnames'
 import FileAPI from '@/client/api/file'
 import GroupAPI, { Group } from '@/client/api/group'
-import {
-  geEditorPermission,
-  geOwnerPermission,
-  PermissionType,
-} from '@/client/api/permission'
+import { geEditorPermission, PermissionType } from '@/client/api/permission'
 import WorkspaceAPI from '@/client/api/workspace'
+import { errorToString } from '@/client/error'
 import { swrConfig } from '@/client/options'
 import GroupSelector from '@/components/common/group-selector'
 import { useAppDispatch, useAppSelector } from '@/store/hook'
@@ -33,51 +36,63 @@ interface PermissionTypeOption extends OptionBase {
   label: string
 }
 
-const SharingGroupOverview = () => {
-  const { id: workspaceId, fileId } = useParams()
+const SharingGroupForm = () => {
+  const { id: workspaceId } = useParams()
   const dispatch = useAppDispatch()
   const selection = useAppSelector((state) => state.ui.files.selection)
   const mutateFiles = useAppSelector((state) => state.ui.files.mutate)
   const [isGranting, setIsGranting] = useState(false)
   const [group, setGroup] = useState<Group>()
   const [permission, setPermission] = useState<string>()
-  const { data: workspace } = WorkspaceAPI.useGet(workspaceId)
-  const { data: file } = FileAPI.useGet(selection[0], swrConfig())
-  const { data: groups } = GroupAPI.useList(
+  const {
+    data: workspace,
+    error: workspaceError,
+    isLoading: isWorkspaceLoading,
+  } = WorkspaceAPI.useGet(workspaceId, swrConfig())
+  const {
+    data: groups,
+    error: groupsError,
+    isLoading: isGroupsLoading,
+  } = GroupAPI.useList(
     {
       organizationId: workspace?.organization.id,
     },
     swrConfig(),
   )
+  const isSingleSelection = selection.length === 1
   const { mutate: mutatePermissions } = FileAPI.useGetGroupPermissions(
-    file && geOwnerPermission(file.permission) ? file.id : undefined,
+    isSingleSelection ? selection[0] : undefined,
   )
-  const isSingleSelection = selection.length === 1
+  const isWorkspaceError = !workspace && workspaceError
+  const isWorkspaceReady = workspace && !workspaceError
+  const isGroupsError = !groups && groupsError
+  const isGroupsEmpty = groups && !groupsError && groups.totalElements === 0
+  const isGroupsReady = groups && !groupsError && groups.totalElements > 0
 
   const handleGrantPermission = useCallback(async () => {
-    if (group && permission) {
-      try {
-        setIsGranting(true)
-        await FileAPI.grantGroupPermission({
-          ids: selection,
-          groupId: group.id,
-          permission,
-        })
-        await mutateFiles?.()
-        if (isSingleSelection) {
-          await mutatePermissions()
-        }
-        setGroup(undefined)
-        setIsGranting(false)
-        if (!isSingleSelection) {
-          dispatch(sharingModalDidClose())
-        }
-      } catch {
-        setIsGranting(false)
+    if (!group || !permission) {
+      return
+    }
+    try {
+      setIsGranting(true)
+      await FileAPI.grantGroupPermission({
+        ids: selection,
+        groupId: group.id,
+        permission,
+      })
+      await mutateFiles?.()
+      if (isSingleSelection) {
+        await mutatePermissions()
+      }
+      setGroup(undefined)
+      setIsGranting(false)
+      if (!isSingleSelection) {
+        dispatch(sharingModalDidClose())
       }
+    } catch {
+      setIsGranting(false)
     }
   }, [
-    fileId,
     selection,
     group,
     permission,
@@ -89,8 +104,34 @@ const SharingGroupOverview = () => {
 
   return (
     <div className={cx('flex', 'flex-col', 'gap-1.5')}>
-      {!groups ? <SharingFormSkeleton /> : null}
-      {groups && groups.totalElements > 0 ? (
+      {isWorkspaceLoading || isGroupsLoading ? <SharingFormSkeleton /> : null}
+      {isWorkspaceError || isGroupsError ? (
+        <SectionError
+          text={errorToString(workspaceError || groupsError)}
+          height="auto"
+        />
+      ) : null}
+      {isWorkspaceReady && isGroupsEmpty ? (
+        <SectionPlaceholder
+          text="This organization has no groups."
+          content={
+            <>
+              {workspace &&
+              geEditorPermission(workspace.organization.permission) ? (
+                <Button
+                  as={Link}
+                  leftIcon={<IconAdd />}
+                  to={`/new/group?org=${workspace.organization.id}`}
+                >
+                  New Group
+                </Button>
+              ) : null}
+            </>
+          }
+          height="auto"
+        />
+      ) : null}
+      {isWorkspaceReady && isGroupsReady ? (
         <div className={cx('flex', 'flex-col', 'gap-1.5')}>
           <GroupSelector
             value={group}
@@ -122,26 +163,6 @@ const SharingGroupOverview = () => {
           </Button>
         </div>
       ) : null}
-      {groups && groups.totalElements === 0 ? (
-        <SectionPlaceholder
-          text="This organization has no groups."
-          content={
-            <>
-              {workspace &&
-              geEditorPermission(workspace.organization.permission) ? (
-                <Button
-                  as={Link}
-                  leftIcon={<IconAdd />}
-                  to={`/new/group?org=${workspace.organization.id}`}
-                >
-                  New Group
-                </Button>
-              ) : null}
-            </>
-          }
-          height="auto"
-        />
-      ) : null}
       {isSingleSelection ? (
         <>
           <hr />
@@ -152,4 +173,4 @@ const SharingGroupOverview = () => {
   )
 }
 
-export default SharingGroupOverview
+export default SharingGroupForm
diff --git a/ui/src/components/sharing/sharing-group-permissions.tsx b/ui/src/components/sharing/sharing-group-permissions.tsx
index 0129ef568..78365dcd0 100644
--- a/ui/src/components/sharing/sharing-group-permissions.tsx
+++ b/ui/src/components/sharing/sharing-group-permissions.tsx
@@ -8,7 +8,6 @@
 // by the GNU Affero General Public License v3.0 only, included in the file
 // AGPL-3.0-only in the root of this repository.
 import { useCallback, useState } from 'react'
-import { useParams } from 'react-router-dom'
 import {
   Table,
   Thead,
@@ -20,25 +19,34 @@ import {
   Badge,
   Avatar,
 } from '@chakra-ui/react'
-import { IconDelete, SectionPlaceholder, SectionSpinner, Text } from '@koupr/ui'
+import {
+  IconDelete,
+  SectionError,
+  SectionPlaceholder,
+  SectionSpinner,
+  Text,
+} from '@koupr/ui'
 import cx from 'classnames'
 import FileAPI, { GroupPermission } from '@/client/api/file'
-import { geOwnerPermission } from '@/client/api/permission'
+import { errorToString } from '@/client/error'
 import { swrConfig } from '@/client/options'
 import { useAppSelector } from '@/store/hook'
 
 const SharingGroupPermissions = () => {
-  const { fileId } = useParams()
   const selection = useAppSelector((state) => state.ui.files.selection)
   const mutateFiles = useAppSelector((state) => state.ui.files.mutate)
   const [revokedPermission, setRevokedPermission] = useState<string>()
-  const { data: file } = FileAPI.useGet(selection[0], swrConfig())
-  const { data: permissions, mutate: mutatePermissions } =
-    FileAPI.useGetGroupPermissions(
-      file && geOwnerPermission(file.permission) ? file.id : undefined,
-      swrConfig(),
-    )
-  const isSingleSelection = selection.length === 1
+  const {
+    data: permissions,
+    error: permissionsError,
+    isLoading: isPermissionsLoading,
+    mutate: mutatePermissions,
+  } = FileAPI.useGetGroupPermissions(selection[0], swrConfig())
+  const isPermissionsError = !permissions && permissionsError
+  const isPermissionsEmpty =
+    permissions && !permissionsError && permissions.length === 0
+  const isPermissionsReady =
+    permissions && !permissionsError && permissions.length > 0
 
   const handleRevokePermission = useCallback(
     async (permission: GroupPermission) => {
@@ -49,23 +57,24 @@ const SharingGroupPermissions = () => {
           groupId: permission.group.id,
         })
         await mutateFiles?.()
-        if (isSingleSelection) {
-          await mutatePermissions()
-        }
+        await mutatePermissions()
       } finally {
         setRevokedPermission(undefined)
       }
     },
-    [fileId, selection, isSingleSelection, mutateFiles, mutatePermissions],
+    [selection, mutateFiles, mutatePermissions],
   )
 
   return (
     <>
-      {!permissions ? <SectionSpinner /> : null}
-      {permissions && permissions.length === 0 ? (
+      {isPermissionsLoading ? <SectionSpinner height="auto" /> : null}
+      {isPermissionsError ? (
+        <SectionError text={errorToString(permissionsError)} height="auto" />
+      ) : null}
+      {isPermissionsEmpty ? (
         <SectionPlaceholder text="Not shared with any groups." height="auto" />
       ) : null}
-      {permissions && permissions.length > 0 ? (
+      {isPermissionsReady ? (
         <Table>
           <Thead>
             <Tr>
diff --git a/ui/src/components/sharing/sharing-user-overview.tsx b/ui/src/components/sharing/sharing-user-form.tsx
similarity index 77%
rename from ui/src/components/sharing/sharing-user-overview.tsx
rename to ui/src/components/sharing/sharing-user-form.tsx
index 7f83fef1d..21149141b 100644
--- a/ui/src/components/sharing/sharing-user-overview.tsx
+++ b/ui/src/components/sharing/sharing-user-form.tsx
@@ -10,17 +10,20 @@
 import { useCallback, useState } from 'react'
 import { useNavigate, useParams } from 'react-router-dom'
 import { Button } from '@chakra-ui/react'
-import { IconCheck, IconPersonAdd, SectionPlaceholder, Select } from '@koupr/ui'
+import {
+  IconCheck,
+  IconPersonAdd,
+  SectionError,
+  SectionPlaceholder,
+  Select,
+} from '@koupr/ui'
 import { OptionBase } from 'chakra-react-select'
 import cx from 'classnames'
 import FileAPI from '@/client/api/file'
-import {
-  geEditorPermission,
-  geOwnerPermission,
-  PermissionType,
-} from '@/client/api/permission'
+import { geEditorPermission, PermissionType } from '@/client/api/permission'
 import UserAPI, { User } from '@/client/api/user'
 import WorkspaceAPI from '@/client/api/workspace'
+import { errorToString } from '@/client/error'
 import { swrConfig } from '@/client/options'
 import UserSelector from '@/components/common/user-selector'
 import { useAppDispatch, useAppSelector } from '@/store/hook'
@@ -34,8 +37,8 @@ interface PermissionTypeOption extends OptionBase {
   label: string
 }
 
-const SharingUserOverview = () => {
-  const { id: workspaceId, fileId } = useParams()
+const SharingUserForm = () => {
+  const { id: workspaceId } = useParams()
   const navigate = useNavigate()
   const dispatch = useAppDispatch()
   const selection = useAppSelector((state) => state.ui.files.selection)
@@ -43,19 +46,31 @@ const SharingUserOverview = () => {
   const [isGranting, setIsGranting] = useState(false)
   const [user, setUser] = useState<User>()
   const [permission, setPermission] = useState<string>()
-  const { data: workspace } = WorkspaceAPI.useGet(workspaceId)
-  const { data: file } = FileAPI.useGet(selection[0], swrConfig())
-  const { data: users } = UserAPI.useList(
+  const {
+    data: workspace,
+    error: workspaceError,
+    isLoading: isWorkspaceLoading,
+  } = WorkspaceAPI.useGet(workspaceId, swrConfig())
+  const {
+    data: users,
+    error: usersError,
+    isLoading: isUsersLoading,
+  } = UserAPI.useList(
     {
       organizationId: workspace?.organization.id,
       excludeMe: true,
     },
     swrConfig(),
   )
-  const { mutate: mutatePermissions } = FileAPI.useGetUserPermissions(
-    file && geOwnerPermission(file.permission) ? file.id : undefined,
-  )
   const isSingleSelection = selection.length === 1
+  const { mutate: mutatePermissions } = FileAPI.useGetGroupPermissions(
+    isSingleSelection ? selection[0] : undefined,
+  )
+  const isWorkspaceError = !workspace && workspaceError
+  const isWorkspaceReady = workspace && !workspaceError
+  const isUsersError = !users && usersError
+  const isUsersEmpty = users && !usersError && users.totalElements === 0
+  const isUsersReady = users && !usersError && users.totalElements > 0
 
   const handleGrantPermission = useCallback(async () => {
     if (!user || !permission) {
@@ -81,7 +96,6 @@ const SharingUserOverview = () => {
       setIsGranting(false)
     }
   }, [
-    fileId,
     selection,
     user,
     permission,
@@ -101,8 +115,14 @@ const SharingUserOverview = () => {
 
   return (
     <div className={cx('flex', 'flex-col', 'gap-1.5')}>
-      {!users ? <SharingFormSkeleton /> : null}
-      {users && users.totalElements === 0 ? (
+      {isWorkspaceLoading || isUsersLoading ? <SharingFormSkeleton /> : null}
+      {isWorkspaceError || isUsersError ? (
+        <SectionError
+          text={errorToString(workspaceError || isUsersError)}
+          height="auto"
+        />
+      ) : null}
+      {isWorkspaceReady && isUsersEmpty ? (
         <SectionPlaceholder
           text="This organization has no members."
           content={
@@ -121,7 +141,7 @@ const SharingUserOverview = () => {
           height="auto"
         />
       ) : null}
-      {users && users.totalElements > 0 ? (
+      {isWorkspaceReady && isUsersReady ? (
         <div className={cx('flex', 'flex-col', 'gap-1.5')}>
           <UserSelector
             value={user}
@@ -163,4 +183,4 @@ const SharingUserOverview = () => {
   )
 }
 
-export default SharingUserOverview
+export default SharingUserForm
diff --git a/ui/src/components/sharing/sharing-user-permissions.tsx b/ui/src/components/sharing/sharing-user-permissions.tsx
index 4e53ba7ab..7a6c94ebb 100644
--- a/ui/src/components/sharing/sharing-user-permissions.tsx
+++ b/ui/src/components/sharing/sharing-user-permissions.tsx
@@ -20,11 +20,17 @@ import {
   Badge,
   Avatar,
 } from '@chakra-ui/react'
-import { IconDelete, SectionPlaceholder, SectionSpinner, Text } from '@koupr/ui'
+import {
+  IconDelete,
+  SectionError,
+  SectionPlaceholder,
+  SectionSpinner,
+  Text,
+} from '@koupr/ui'
 import cx from 'classnames'
 import FileAPI, { UserPermission } from '@/client/api/file'
-import { geOwnerPermission } from '@/client/api/permission'
 import WorkspaceAPI from '@/client/api/workspace'
+import { errorToString } from '@/client/error'
 import IdPUserAPI from '@/client/idp/user'
 import { swrConfig } from '@/client/options'
 import { getPictureUrlById } from '@/lib/helpers/picture'
@@ -35,14 +41,19 @@ const SharingUserPermissions = () => {
   const selection = useAppSelector((state) => state.ui.files.selection)
   const mutateFiles = useAppSelector((state) => state.ui.files.mutate)
   const [revokedPermission, setRevokedPermission] = useState<string>()
-  const { data: workspace } = WorkspaceAPI.useGet(workspaceId)
-  const { data: file } = FileAPI.useGet(selection[0], swrConfig())
+  const { data: workspace } = WorkspaceAPI.useGet(workspaceId, swrConfig())
   const { data: me } = IdPUserAPI.useGet()
-  const { data: permissions, mutate: mutatePermissions } =
-    FileAPI.useGetUserPermissions(
-      file && geOwnerPermission(file.permission) ? file.id : undefined,
-      swrConfig(),
-    )
+  const {
+    data: permissions,
+    error: permissionsError,
+    isLoading: isPermissionsLoading,
+    mutate: mutatePermissions,
+  } = FileAPI.useGetUserPermissions(selection[0], swrConfig())
+  const isPermissionsError = !permissions && permissionsError
+  const isPermissionsEmpty =
+    permissions && !permissionsError && permissions.length === 0
+  const isPermissionsReady =
+    permissions && !permissionsError && permissions.length > 0
 
   const handleRevokePermission = useCallback(
     async (permission: UserPermission) => {
@@ -63,11 +74,14 @@ const SharingUserPermissions = () => {
 
   return (
     <>
-      {!permissions ? <SectionSpinner /> : null}
-      {permissions && permissions.length === 0 ? (
+      {isPermissionsLoading ? <SectionSpinner height="auto" /> : null}
+      {isPermissionsError ? (
+        <SectionError text={errorToString(permissionsError)} height="auto" />
+      ) : null}
+      {isPermissionsEmpty ? (
         <SectionPlaceholder text="Not shared with any users." height="auto" />
       ) : null}
-      {permissions && permissions.length > 0 ? (
+      {isPermissionsReady ? (
         <Table>
           <Thead>
             <Tr>