Solution : https://service.sap.com/sap/support/notes/738298 (SAP Service marketplace login required)
Key words :
function module 'fsbp_dark_maintain_intern', module works, report rfsbpbut021, relevant data, table but021_fs, tables but020, 1000 data records, terms rfsbpbut021, address usages, but021_fs reason
Related Notes :
| 749316 | BP_ADU: Report RFSBPBUT021, error in log |
| 747754 | BP_ADU: Performance of report RFSBPBUT021 |
| 517102 | BP_ADU: Composite SAP note time-dependent address usages |