Solution : https://service.sap.com/sap/support/notes/578145 (SAP Service marketplace login required)
Key words :
'fehler beim anlegen des gp &1', 'fehler beimanlegen des geschäftspartners &1', symptom replicating purchase group, entering po box region, program change text symbols, prerequisites program error, sus installationafter apply, enter program crm_sus_mm_buyer_create, select 'text elements', select flag dictionary
Related Notes :
563362 | SRM 2.0 SUS 1.0: Applying SP04 to Supplier Self-Services |