Message SAP WS170 - Internal error compiling communication structure for item &1 of doc. &2

Diagnosis
almost the same as WS 168, WS 169
Communication structure MCWBRL for item &V1& of document &V2&(remuneration list or similar) could not be compiled.
Without the communication structure, 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.

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