Solution : https://service.sap.com/sap/support/notes/910976 (SAP Service marketplace login required)
Key words :
text elements --> change --> text symbols, text f_select read billing documents, text elements --> change --> selection texts, user-defined customer program, text 003 selection sequence save, enter text symbols, read billing documents, billing document printout, source code corrections, enter selection texts
Related Notes :
| 353518 | Selection of outputs takes much time |