Diagnosis
The system tried to find a number when posting the data. Error &occurred.

System Response
Data could not be posted.

Procedure
Check number range object 'W_UPLOAD_P' using the transactionNumber range management. Probably no number rangeinterval has been maintained. If this is the case, maintain theinterval '01'. If all numbers have been assigned, you can reset thecounter to 0. The documents posted still have unique numbers, since theposting data is an additional criterion in determining whether or nota number is unique.