Solution : https://service.sap.com/sap/support/notes/534397 (SAP Service marketplace login required)
Key words :
business partner maintained, is_address_x-langu_iso reason, sap source code, source code corrections, attached correction instructions, including support package 01, source code, support package 06, 1 support package 02, is_address_x-langu
Related Notes :
| 547705 | SAPKU31001: Support Package 01 for CRM 3.1 |
| 503850 | Language of the contact person is transferred incorrectly |
| 364143 | Distribution or mass maintnce of language of contact person |