dify - 💡(How to fix) Fix internal server error [7 comments, 2 participants]

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Dify version

1.13.4

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

After I deleted the volume directory under the docker directory, the following problem occurred

✔️ Expected Behavior

no error

❌ Actual Behavior

2026-04-15 09:12:32.313 INFO [Dummy-52] [_client.py:1025] 5c8a746fe21a56d9a3af74b91f47cfe8 - HTTP Request: GET http://plugin_daemon:5002/plugin/681f824d-263b-405c-a43c-a851b2a9228e/management/install/tasks?page=1&page_size=100 "HTTP/1.1 200 OK" 2026-04-15 09:12:32.316 ERROR [Dummy-52] [app.py:875] 5c8a746fe21a56d9a3af74b91f47cfe8 - Exception on /console/api/workspaces/current/plugin/tasks [GET] Traceback (most recent call last): File "/app/api/.venv/lib/python3.12/site-packages/flask/app.py", line 917, in full_dispatch_request rv = self.dispatch_request() ^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/.venv/lib/python3.12/site-packages/flask/app.py", line 902, in dispatch_request return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/.venv/lib/python3.12/site-packages/flask_restx/api.py", line 404, in wrapper resp = resource(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/.venv/lib/python3.12/site-packages/flask/views.py", line 110, in view return current_app.ensure_sync(self.dispatch_request)(**kwargs) # type: ignore[no-any-return] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/.venv/lib/python3.12/site-packages/flask_restx/resource.py", line 41, in dispatch_request resp = meth(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/app/api/controllers/console/wraps.py", line 227, in decorated return view(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/app/api/libs/login.py", line 97, in decorated_view return current_app.ensure_sync(func)(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/controllers/console/wraps.py", line 48, in decorated return view(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/app/api/controllers/console/workspace/init.py", line 38, in decorated return view(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^ File "/app/api/controllers/console/workspace/plugin.py", line 472, in get return jsonable_encoder({"tasks": PluginService.fetch_install_tasks(tenant_id, args.page, args.page_size)}) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/services/plugin/plugin_service.py", line 243, in fetch_install_tasks return manager.fetch_plugin_installation_tasks(tenant_id, page, page_size) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/core/plugin/impl/plugin.py", line 145, in fetch_plugin_installation_tasks return self._request_with_plugin_daemon_response( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/app/api/core/plugin/impl/base.py", line 264, in _request_with_plugin_daemon_response self._handle_plugin_daemon_error(error.error_type, error.message) File "/app/api/core/plugin/impl/base.py", line 349, in _handle_plugin_daemon_error raise PluginDaemonInternalServerError(description=message) core.plugin.impl.exc.PluginDaemonInternalServerError: req_id: 6963d3df2d PluginDaemonInternalServerError: ERROR: relation "install_tasks" does not exist (SQLSTATE 42P01)