Don't fail the sync completely when a remote file does not exist.

crc/api/workflow_sync.py

@@ -184,9 +184,12 @@ def update_or_create_current_file(remote,workflow_spec_id,updatefile):
     currentfile.content_type = updatefile['content_type']
     currentfile.primary_process_id = updatefile['primary_process_id']
     session.add(currentfile)
+    try:
         content = WorkflowSyncService.get_remote_file_by_hash(remote, updatefile['md5_hash'])
         FileService.update_file(currentfile, content, updatefile['type'])
-
+    except ApiError:
+        # Remote files doesn't exist, don't update it.
+        print("Remote file " + currentfile.name + " does not exist, so not syncing.")
 
 def sync_changed_files(remote,workflow_spec_id):
     """

crc/services/workflow_sync.py

@@ -47,6 +47,6 @@ class WorkflowSyncService(object):
                 return json.loads(response.text)
         else:
             raise ApiError("workflow_sync_error",
-                           "Received an invalid response from the protocol builder (status %s): %s when calling "
+                           "Received an invalid response from the remote CR-Connect API (status %s): %s when calling "
                            "url '%s'." %
                            (response.status_code, response.text, url))