Solution : https://service.sap.com/sap/support/notes/1031216 (SAP Service marketplace login required)
Key words :
interface method if_swf_rls_compop~operation, cl_swf_rls_compop_eqcl_swf_rls_compop_gecl_swf_rls_compop_gtcl_swf_rls_compop_lecl_swf_rls_compop_ltif_swf_rls_compop~operation reason, terms upgradeconstants'e', character-type field, attached program corrections, relevant support package, runtime error occurs, error convt_no_number, transaction st22, numeric constant
Related Notes :
| 1079967 | |
| 1068627 | Composite note about workflow upgrade |