Solution : https://service.sap.com/sap/support/notes/988703 (SAP Service marketplace login required)
Key words :
'extracts -> delete' menu option, solution sap recommends, long conversion times, extracts functions, 'delete' pushbutton, unicode conversion, system stores, tables t811e, terms transactions, kgalextr_delete_extract reason
Related Notes :
| 706478 | Preventing Basis tables from increasing considerably |