quota message details and link to user quote

src/apps/api/tests/test_datasets.py

@@ -65,7 +65,7 @@ def test_dataset_api_check_quota(self):
         })
 
         assert resp.status_code == 400
-        assert resp.data["data_file"][0] == f"Insufficient space. Your available space is {pretty_bytes(available_space)}. The file size is {pretty_bytes(file_size)}. Please free up some space and try again."
+        assert resp.data["data_file"][0] == f'Insufficient space. Your available space is {pretty_bytes(available_space)}. The file size is {pretty_bytes(file_size)}. Please free up some space and try again. You can manage your files in the Resources page.'
 
         # Fake upload a small file
         file_size = available_space - 1024

src/apps/api/views/datasets.py

@@ -86,7 +86,7 @@ def create(self, request, *args, **kwargs):
         if storage_used + file_size > quota:
             available_space = pretty_bytes(quota - storage_used)
             file_size = pretty_bytes(file_size)
-            message = f"Insufficient space. Your available space is {available_space}. The file size is {file_size}. Please free up some space and try again."
+            message = f'Insufficient space. Your available space is {available_space}. The file size is {file_size}. Please free up some space and try again. You can manage your files in the Resources page.'
             return Response({'data_file': [message]}, status=status.HTTP_400_BAD_REQUEST)
 
         # All good, let's proceed

src/static/riot/competitions/detail/submission_upload.tag

@@ -488,7 +488,7 @@
 
                         }
                     }
-                    toastr.error("Creation failed, error occurred")
+                    toastr.error(`Creation failed, error occurred: ${response.responseJSON.data_file[0]}`)
                 })
                 .always(function () {
                     setTimeout(self.hide_progress_bar, 500)