Solution : https://service.sap.com/sap/support/notes/1030381 (SAP Service marketplace login required)
Key words : 
item type item category profile idlv dlv cust_a itxt txt _, idlv item type, txt item type, itxt item type, terms quantity offsetting profile, itxt item types, incorrect item category, cust_a customer profile, pdi document category, reference document profile
Related Notes : 
       
| 1047466 | Several errors in initial profile during delivery validation |