SAP Message AM123 - Title key & is not defined in language &

Diagnosis
The address was assigned the form of address key &V1&. This form ofaddress key is defined in the system, but the meaning is not maintainedin language &V2&.

System Response
The corresponding form of address can not be displayed in language &V2&.
When you maintain the addresses, you must assign a valid form ofaddress.
Otherwise the assignment of the form of address key &V1& to the addressis deleted when saved.

Procedure
Have the form of address text in language &V2& maintained in the tableTSAD3T.

726576BP_DIA: Correspondance language with SAP business partner
693547BP_TR1: Correspondence language for persons is missing
724492BP_DIA: Correspondence language for SAP business partner