Solution : https://service.sap.com/sap/support/notes/310674 (SAP Service marketplace login required)
Key words :
read master data reason, system deletes long texts, changed long texts, requirements stock overview, internal text catalog, long texts, production order, terms co01, order maintenance, atp quantities
Related Notes :
1538846 | Long texts disappear when you jump to other transactions |
612177 | Inconsistent long texts in the process order |
121678 | Item texts deleted in the sales order |
89647 | Unnecessary texts for order objects |