SAP Message AD529 - Buffering not allowed.(-> No. of fields in gen. key must be 0)

Diagnosis
Buffering of this table is not allowed. Despite this fact, a key fieldnumber not equal to 0 is entered in the technical settings for thetable. A key field number should only be entered if a table is to bebuffered generically.

System Response
An error message is output.

Procedure
Set the key field number in the technical settings to 0.
To do this, select the option Technical settings in theGoto menu of the table maintenance function. In the next screen,press the pushbutton Chnge key fld no. and delete the key fieldnumber entry in the displayed dialog box. Then, activate the technicalsettings.