Solution : https://service.sap.com/sap/support/notes/338627 (SAP Service marketplace login required)
Key words : 
checks/conversions/field exits provided, additional key words batch, technical objects solution remove, lower cases letters occur, language-specific operation, abap command 'translate, translate command requires, incorrect data record, symptom note 104626 describes, upper case' solution
Related Notes : 
       
| 521427 | FAQ: IDocs for goods movements | 
| 104626 | MMIM: Batch created in lower case |