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Feb 10, 2023 7:01:05 AM
Feb 5, 2018 3:40:17 AM
Accessing or navigating through the Qlik Sense Hub may show Engine related error messages.
The messages may vary and are not limited to:
An error occurred No available Qlik Sense Engine Was found. Refresh your browser or contact your system administrator.
Connection to the Qlik Sense Engine failed for unspecified reasons. Refresh your browser or contact your system administrator
No Engine server is available for the following app app:_hub
No broker service available
An error has occurred
This article provided guidance on how to troubleshoot these issues, as well commonly known solutions.
The above errors indicate communication problems between the Qlik Sense Proxy service, the Qlik Sense Engine service, and the Qlik Sense Dispatcher service (also known as the Broker service).
Suggested Action: Try to restart those services
Open QMC and in Configure System go to Engines and make sure it/they are marked as running
Suggested Action: Try to restart those services and verify that all architecture requirements are met (see next step).
Suggested actions: Review the logs with a timestamp of the encountered issue to find related error messages.
Using the symptom and error messages found in the Qlik Sense log files, search the available knowledge bases
Qlik Sense Repository and/or Proxy unable to perform operation due to buffer space
Hub Error: Connection to Qlik Sense engine failed for unspecified reasons
Connection to the Qlik Sense engine failed for unspecified reasons randomly on the hub
If the above did not help resolve the issue, or further investigation is required, please reach out to Qlik Support.