SAP Message AH796 - Error in user exit EXIT_SAPLE20Q_002

Diagnosis
A customer enhancement has caused an error: rate fact group &v1& hasbeen inserted in the EXIT_SAPLE20Q_002 user exit for F4 help for ratefact groups. It is not permitted to add rate fact groups to the userexit.

System Response
Processing is terminated.

Procedure
Check the user exit.