Solution : https://service.sap.com/sap/support/notes/991585 (SAP Service marketplace login required)
Key words :
terms upgrade solution refer, saving transaction data, work item finalize, workflow instances, earlier releases, basis release 6, error occurs, log issues, error message, table swpnode
Related Notes :
| 1068627 | Composite note about workflow upgrade |
| 1043988 | Short dump when workflow restarted after upgrade |