SAP Message REXCJP307 - Different price calc method can't be defined for same key fields (&<>&)

Diagnosis
The defined price calculating method differs from the other pricecalculating methods defined for the same keys. This field needs tocontain the same entry as the other entries with the same key.

Procedure
Modify the price calculating method in the currently processed line. Ifyou want to modify the price calculating method in all entries with thesame key field, then you have to modify them at once.