Error starting ALV Grid Control

What causes this issue?

An error occurred while the system was starting the list viewer tool
(ALV).

System Response

The function terminated.

How to fix this error?

Restart the workload monitor. If the error persists, check your
frontend installation (GUI).

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.