Solution : https://service.sap.com/sap/support/notes/1727477 (SAP Service marketplace login required)
Key words :
terms db6 maximum bigint reason, unexpectedly high bigint values, attached correction instruction, bigint values, program error, wrong calculation, support package, prerequisites, alternatively
Related Notes :
1456402 | DB6: DBA Cockpit Corrections for SAP Basis 7.02/7.30/7.31 |