Diagnosis
V1
No derivation rule entry was found for the specified source valuesvalid on &V2&.
The derivation rule was defined so that an error message is displayedwhen this occurs.
The system could not find a rule entry valid on &V2& for the followingsource fields:
V3
V4

Procedure
Create a rule entry for these source values and make sure that ruleentries exist for all the source values.
If you do not want the derivation to be performed in every instance,you can also change the derivation rule so that no error message isdisplayed if a rule entry is missing.