Solution : https://service.sap.com/sap/support/notes/381524 (SAP Service marketplace login required)
Key words :
system issues error messagebq020 / bq023, additional key words raimcaov, system incorrectly calculates, additional program yaimcaov, attached advance correction, negative annual budgets, fiscal year nnnn, fiscal year nnnn+1, annual budget & negative, existing annual budget
Related Notes :
419616 | IMCAOV: Error for subsequent reductn of budget carryforward |
411839 | Deviating ann.budget for measures aftr budget carryforward |
142148 | Budget carryforward and investment programs |