Solution : https://service.sap.com/sap/support/notes/486395 (SAP Service marketplace login required)
Key words : 
bw queries return correct data, i_ddim  changing       l_err_num       l_isam_num       l_del_part_cnt, error arises  exec sql, solution import support package 21, abap rsdu_inf_requid_delete_tmpl template, rscds_del_old_requests function module, terms del_request_inf reason, 0b support package 20, 1c support package 12, sql command determines
Related Notes : 
       
| 407260 | FAQs: Compression of InfoCubes |