Empties processing is not activated

What causes this issue?

Empties processing is not activated. Postings via tied empties are only
allowed when empties processing is activated.

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

System Response

IF &[SWITCH]S4H_DOCU_ON_PREMISE& = 'X'.

How to fix this error?

Activate <DS:SIMG.SIMG_OLMA_OMXL>empties processing</> in Customizing.
INCLUDE ISR_CUSTOMIZING
ENDIF.

Error message extract from SAP system. Copyright SAP SE.