Identification &1 has status &2; deletion of indexes not allowed

What causes this issue?

You can only delete simulation indexes when the identification has
status 2. This is not the case here.
INCLUDE ISU_BI_SIMRUN_STATE_INC

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.