Solution : https://service.sap.com/sap/support/notes/1300603 (SAP Service marketplace login required)
Key words :
system displays message rsbatch 053, 01 bi abap support package 04, sap netweaver bi 7, data transfer processes, start background process &, batch manager settings, terms rsbatch 026 reason, start background process, sap nw bi 7, 00 bi support package 21
Related Notes :
| 1344464 | 70SP22: DTP fails with RSBATCH026 error message |