Solution : https://service.sap.com/sap/support/notes/483571 (SAP Service marketplace login required)
Key words :
symptom format tree v3 shows errors, created data medium paymul azv, 'source' tab page enter 'fat00g', data medium exchange, 'source' tab page, format tree v3, dme format tree, composite c088 shows, element named '0057' directly, format tree
Related Notes :
| 482468 | DMEE format tree V3: Error in segment FII at level C |
| 458910 | DMEE: Changes to austrian format tree V3 |
| 412991 | DME format V3: Various corrections |