Solution : https://service.sap.com/sap/support/notes/543348 (SAP Service marketplace login required)
Key words :
system displays error message /sapapo/tsm 016, 0b import support package 26, 1c import support package 18, delete characteristic values, deleting characteristics combinations, rsapo function group, line concatenate '''' l_tstr '''', line c_string = l_tstr, support package listed, 0b support package 26
Related Notes :
| 1150841 | Problem when deleting characteristics from a list |
| 523196 | SAPBWNews BW 2.1C Support Package 18 |
| 523133 | SAPBWNews BW 2.0B Support Package 26 |