SAP Message AY100 - SYST:Error in creation of ANIA (Contact your System Specialist)

Diagnosis
The table ANIA was not updated during the insert.

System Response
The posting could not take place.

Procedure
Analyze the error (Database error?)
or
the CO object number already exits in table ANIA.This can happen if the data in test mode was not correctly reorganized(orders, projects).