diff --git a/pkg/crud/types.go b/pkg/crud/types.go
index 0853944..bcf72dd 100644
--- a/pkg/crud/types.go
+++ b/pkg/crud/types.go
@@ -1,8 +1,11 @@
 package crud
 
-import "context"
+import (
+	"context"
+	"fmt"
+)
 
-// Op represents
+// Op represents the type of the operation.
 type Op struct {
 	name string
 }
@@ -49,3 +52,15 @@ func EventFromArg(arg Arg) Event {
 	}
 	return event
 }
+
+// ActionError represents an error happens in performing CRUD action of an entity.
+type ActionError struct {
+	OperationType Op     `json:"operation"`
+	Kind          Kind   `json:"kind"`
+	Name          string `json:"name"`
+	Err           error  `json:"error"`
+}
+
+func (e *ActionError) Error() string {
+	return fmt.Sprintf("%s %s %s failed: %v", e.OperationType.String(), e.Kind, e.Name, e.Err)
+}
diff --git a/pkg/crud/types_test.go b/pkg/crud/types_test.go
index 987cc39..b8ffe9b 100644
--- a/pkg/crud/types_test.go
+++ b/pkg/crud/types_test.go
@@ -1,6 +1,7 @@
 package crud
 
 import (
+	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -13,3 +14,14 @@ func TestOpString(t *testing.T) {
 	assert.Equal("foo", op.String())
 	assert.Equal("", op2.String())
 }
+
+func TestActionError(t *testing.T) {
+	err := fmt.Errorf("something wrong")
+	actionErr := &ActionError{
+		OperationType: Create,
+		Kind:          Kind("service"),
+		Name:          "service-test",
+		Err:           err,
+	}
+	assert.Equal(t, "Create service service-test failed: something wrong", actionErr.Error())
+}
diff --git a/pkg/diff/diff.go b/pkg/diff/diff.go
index e4a8eb3..7820642 100644
--- a/pkg/diff/diff.go
+++ b/pkg/diff/diff.go
@@ -541,7 +541,12 @@ func (sc *Syncer) Solve(ctx context.Context, parallelism int, dry bool, isJSONOu
 			// fire the request to Kong
 			result, err = sc.processor.Do(ctx, e.Kind, e.Op, e)
 			if err != nil {
-				return nil, fmt.Errorf("%v %v %v failed: %w", e.Op, e.Kind, c.Console(), err)
+				return nil, &crud.ActionError{
+					OperationType: e.Op,
+					Kind:          e.Kind,
+					Name:          c.Console(),
+					Err:           err,
+				}
 			}
 		} else {
 			// diff mode