SAP Message 3G724 - Module &1 already exists in another function group (&2)

Diagnosis
When attempting to insert the function module &V1& in function groupV2, the system has established that the module already belongs to thefunction group &V2&.

Procedure
You have two possibilities. You can either transfer the function modulefrom function group &V2& to function group &V3& using the transactionSE37, or you can change the function group in which the function moduleis to be saved.