Solution : https://service.sap.com/sap/support/notes/379557 (SAP Service marketplace login required)
Key words :
system generates error message bk057, planning cost center/activity type, activity allocation manually, activity prices exist, incorrect tax code, change planning data, empty totals records, transaction data exists, activity type, bk057 reason
Related Notes :
| 397239 | INFO:CO-OM Interface/actual postings/commitment/down payment |