Solution : https://service.sap.com/sap/support/notes/79659 (SAP Service marketplace login required)
Key words :
symptom abap/4 runtime error convt_no_number occurs, additional key words np04, customizing table tnrsf, alphanumeric risk factor, error occurs, risk factors, transaction np04, abnormal termination, rsfnr field, maintenance level 3
Related Notes :
| 72363 | IS-H: Current coll.note of important errors in 3.03 |