Diagnosis
The structure of the table in the ABAP/4 Dictionary changed at fieldlevel, e.g. due to deletion of fields or a change in the primary key.This structure change in the ABAP/4 Dictionary makes a conversion of thetable structure already created in the database necessary for reasons ofconsistency. The data is unloaded from the database table, the new tablestructure is created in the database and the data is loaded back to thisnew structure.