Diagnosis
You attempted to post a "reference record" (a quota scale suitable fora particular plant and material group) for aquota scale that does notexist.

System Response
INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

Procedure
INCLUDE ISR_VERWALTUNG OBJECT DOKU ID TX

Procedure for System Administration
The user exit for automatically generating quota scales generated anentry in table TWMWQ that cannot be posted, as the quota scale does notexist.