Reversal: Update error table ERCH: Document &1 for PI, doc. &2 for SI

What causes this issue?

During the update of document &V1& from the primary installation, the
document number of the primary installation document &V1& must be
removed from the MAINDOCNO field in the dependent document &V2& from the
secondary installation.
An error occurred during this process.


Technical note:
This update is prepared in routine ERCH_PREPARE of include
LEABCF01.

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?

INCLUDE ISU_SAP OBJECT DOKU ID TX

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.