SAP Message UCF1011 - Only a maximum of &2 data entry characteristics may be used

Diagnosis
You have selected a total of &V1& data entry and per sendercharacteristics for the entry of explicit trigger or distribution keydata. However, in explicit entry you can only select a maximum of &V2&characteristics.

System Response
The explicit trigger or distribution key data cannot be recorded.

Procedure
Select no more than &V2& data entry and per sender characteristics.