Diagnosis
When calling multiple selection RWWKLASS, the system may cancel thefunction if more than 20 class definitions exist for a class type. Thesystem assigns radio buttons dynamically.

Procedure
1. Include the SAP Note.
2. In transaction SE91, create message WN 899 ' Include SAP Note 412256With Maximum Number &1'. If the message is displayed, change themaximum number of possible radio buttons and define the required numberof parameter definitions. If you do not make any adjustments to thedata, only the first 20 possible values will be displayed.