SAP Message WS168 - Internal error calling communication structure for document &1

Diagnosis
bis auf ersten Satz identisch mit WS 169, WS 170
Communication structure MCWBRK for document &V1& could not be compiled
Without the communication struture, it is not possible to update datain the Logistics Information System.

System Response
No update is carried out for any of the documents currently beingprocessed. Data is not updated in the Logistics Information System foreither agency business itself or subsequent settlement (business volumeor income (in the case of a settlement document)).

Procedure
Contact your R/3 system administrator, as this situation should notoccur. It is probably due to a program error.