Solution : https://service.sap.com/sap/support/notes/320156 (SAP Service marketplace login required)
Key words :
technical reasons transaction omsl, conversion exit reason, conversion exit matn1, conversion takes place, 0b support package 12, error reading tmcnv, material number conversion, table tmcnv maintained, transaction omsl, material number
Related Notes :
| 555675 | Settings for the material number conversion are missing |
| 327411 | SAPBWNews for BW 2.0B Support Package 12 |