Solution : https://service.sap.com/sap/support/notes/700486 (SAP Service marketplace login required)
Key words :
ddic type dec, check individual tables, incorrect bcd numbers, packed numbers, bcd format, incorrect values, database error -310, ins access, table <tabname>, terms qcmtco36
Related Notes :
| 339932 | Termination with invalid BCD number in developer trace |