SAP Message RSAR124 - Error in a data conversion in user-defined routine for record &

Diagnosis
The user-defined conversion routine for field &V2& attempted to executean invalid data conversion for record &V1&.

System Response
Processing has been terminated and flagged as having errors. You canperform the update again at any time.

Procedure
Check the accuracy of the contents of field &V2&.
In particular, check that the data types and lengths used agree with theInfoSource definitions.
Correct existing data errors and restart the update process.
If the error occurs again, search for SAP Notes and create a problemmessage if necessary.