Error in BAdI for price block adjustment ISU_BI_PR_BLOCK_ADJ

What causes this issue?

An error has occured during the price block adjustment in BAdI
ISU_BI_PR_BLOCK_ADJ.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

Check the implementation of this BAdI.

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.