diff --git a/api/v2.0/swagger.yaml b/api/v2.0/swagger.yaml
index 5f0457790..6890602a6 100644
--- a/api/v2.0/swagger.yaml
+++ b/api/v2.0/swagger.yaml
@@ -1192,6 +1192,8 @@ paths:
           $ref: '#/responses/403'
         '404':
           $ref: '#/responses/404'
+        '422':
+          $ref: '#/responses/422'  
         '500':
           $ref: '#/responses/500'
   /projects/{project_name}/repositories/{repository_name}/artifacts/{reference}/scan/stop:
@@ -1223,6 +1225,8 @@ paths:
           $ref: '#/responses/403'
         '404':
           $ref: '#/responses/404'
+        '422':
+          $ref: '#/responses/422'  
         '500':
           $ref: '#/responses/500'
   /projects/{project_name}/repositories/{repository_name}/artifacts/{reference}/scan/{report_id}/log:
@@ -1476,6 +1480,8 @@ paths:
           $ref: '#/responses/403'
         '404':
           $ref: '#/responses/404'
+        '422':
+          $ref: '#/responses/422'
         '500':
           $ref: '#/responses/500'
   /projects/{project_name}/repositories/{repository_name}/artifacts/{reference}/labels:
@@ -4823,6 +4829,8 @@ paths:
           $ref: '#/responses/403'
         '404':
           $ref: '#/responses/404'
+        '422':
+          $ref: '#/responses/422'
         '500':
           $ref: '#/responses/500'
   /schedules:
@@ -6456,6 +6464,14 @@ responses:
         type: string
     schema:
       $ref: '#/definitions/Errors'
+  '422':
+    description: Unsupported Type
+    headers:
+      X-Request-Id:
+        description: The ID of the corresponding request for the response
+        type: string
+    schema:
+      $ref: '#/definitions/Errors'    
   '500':
     description: Internal server error
     headers:
diff --git a/src/controller/scan/base_controller.go b/src/controller/scan/base_controller.go
index c1b68947c..161481711 100644
--- a/src/controller/scan/base_controller.go
+++ b/src/controller/scan/base_controller.go
@@ -751,7 +751,7 @@ func (bc *basicController) GetSBOMSummary(ctx context.Context, art *ar.Artifact,
 	reportContent := reports[0].Report
 	result := map[string]interface{}{}
 	if len(reportContent) == 0 {
-		log.Warning("no content for current report")
+		log.Debug("no content for current report")
 		return result, nil
 	}
 	err = json.Unmarshal([]byte(reportContent), &result)
diff --git a/src/pkg/scan/sbom/sbom.go b/src/pkg/scan/sbom/sbom.go
index bbf405571..a3e0f8501 100644
--- a/src/pkg/scan/sbom/sbom.go
+++ b/src/pkg/scan/sbom/sbom.go
@@ -112,9 +112,11 @@ func (v *scanHandler) PostScan(ctx job.Context, sr *v1.ScanRequest, _ *scanModel
 
 // annotations defines the annotations for the accessory artifact
 func (v *scanHandler) annotations() map[string]string {
+	t := time.Now().Format(time.RFC3339)
 	return map[string]string{
-		"created-by":                              "Harbor",
-		"org.opencontainers.artifact.created":     time.Now().Format(time.RFC3339),
+		"created":                             t,
+		"created-by":                          "Harbor",
+		"org.opencontainers.artifact.created": t,
 		"org.opencontainers.artifact.description": "SPDX JSON SBOM",
 	}
 }