resolves #1

scripts/create-release.ps1

@@ -8,7 +8,7 @@ $exists = ($releaseTags | Where-Object {$_ -eq "$tag"} ) -ne $null
 
 if ($exists) {
   Write-Output "Release already exists: $tag, overwriting files"
-  gh release upload --repo $REPO --clobber $tag "./build/store.yml" (Get-Item .\build\extensions\*.zip)
+  gh release upload --repo $REPO --clobber $tag "./build/store.yml" (Get-Item .\build\extensions\*.zip -ErrorAction Ignore)
 } else {
   Write-Output "Release does not already exist: $tag, uploading as new files"
   gh release create --repo $REPO --target $branch $tag "./build/store.yml"  (Get-Item .\build\extensions\*.zip) --title "Store for $branch" --notes "This release is generated by a script"