Solution : https://service.sap.com/sap/support/notes/352071 (SAP Service marketplace login required)
Key words :
entire function group mereq due, additional key words me51n, internal item memo, material ordering text, symptom me51n, item texts, delivery text, source text, purchase requisition, set correctly
Related Notes :
353584 | ME51N, ME52N: problems with texts in PReq |
338951 | ME51N Indicator 'Texts exist' SAPscript editor |
330397 | ME51N: Changes header text |
325777 | ME51N: Problems with long text editor and text language |