SAP Message >0003 - Balance in &1 is not zero, posting not possible

Diagnosis
You are attempting to post a document for which the balance is not zeroin one or more currency.

System Response
During online processing:
Error message requiring a correction.
During background processing:
Error message causing processing to be terminated.

Procedure
When working online:
Correct the line items entered. If the amounts entered balance to zero,and this error message still appears, there is a program error. In thiscase, treat the error as if it occurred during a background processing.
Background processing
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX

Procedure for System Administration
INCLUDE FICA_NA_OSS OBJECT DOKU ID TX