Solution : https://service.sap.com/sap/support/notes/1444748 (SAP Service marketplace login required)
Key words :
software layer sap_bs_fnd, software layer plmwui, sap core functions, terms plm-material, mgv_matnr_lama_saplmgmu_i reason, program error, attached corrections, required prerequisites, prerequisites, correction
Related Notes :
1433544 | Technical prerequisite for Note 1433543 |
1433543 | Termination GETWA_NOT_ASSIGNED when creating a material |