Description
In Release 3.0D, some IDoc types were extended, that is, new segmentsand fields were added. To ensure that these fields are not sent inmessages reduced before Release 3.0D, the extended segments and fieldshave to be written into table TBD21 (ALE: IDoc reduction).
This is done by program XPRABD21.
Data affected: TBD21.
The following errors could occur:

• Tables do not exist;


• Not enough room in the database for table TBD21;


• Connection to the database is faulty.

If an error occurs, correct it and restart the program.

Precondition
The program can be restarted without PRECONDITION.