How To Fix WS169 - Internal error compiling communication structure for item &1 of doc. &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 169

• Message text: Internal error compiling communication structure for item &1 of doc. &2

What causes this issue?

bis auf ersten Satz identisch mit WS 168, WS 170
Communication structure MCWBRP for item &V1& of document &V2& could not
be compiled.
Without the communication structure, it is not possible to update data
in the Logistics Information System.

System Response

No update is carried out for any of the documents currently being
processed. Data is not updated in the Logistics Information System for
either Settlement Management itself or subsequent settlement (business
volume data or income (in the case of a settlement document)).

How to fix this error?

Contact your system administrator, as this situation should not occur.
It is probably due to a program error.

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.