Function &1 is not available in your system

What causes this issue?

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

System Response

How to fix this error?

INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX

Procedure for System Administrators

Enter function &V1& in the view V_TFKEEFFIACTIVE.

Error message extract from SAP system. Copyright SAP SE.