Solution : https://service.sap.com/sap/support/notes/839183 (SAP Service marketplace login required)
Key words :
sapbwnews bw sp13 netweaver'04 stack 13, assign <l_x>+<l_sx_selpn>-toffs, 10 content import support package 21, 0b import support package 27, runtime error 'assign, 50 import support package 13, 1 content support package 21, 0b support package 27, sapbwnews bw 3, support package
Related Notes :
| 783254 | SAPBWNews BW Support Package 13 NW'04 Stack 13 RIN |
| 723263 | SAPBWNews BW 3.1 Content Support Package 21 |
| 723258 | SAPBWNews BW 3.0B Support Package 27 |