Solution : https://service.sap.com/sap/support/notes/111881 (SAP Service marketplace login required)
Key words :
system generates error message 06334 stating, additional key words cn21, message control table t160m, change field 'fixed vendor', operation detail field 'vendor', change error message 06334, external processing operation, pm/sm order, resulting purchase requisition, operation detail
Related Notes :
| 355870 | Fixed vendor is not initialized |
| 77248 | Fixed vendor/purch.info record reset during change |
| 62711 |