Solution : https://service.sap.com/sap/support/notes/655260 (SAP Service marketplace login required)
Key words :
workflow_local_<client>errors wl009, type objects_objref_not assigned_no, method if_swf_run_wim_internal~merge_method_to_wi_container, wf-batchfunction module, source code corrections, earlier release, wait steps, upgrade remain, ready status, class cl_swf_run_wim_local
Related Notes :
| 1402685 | CL_SWF_RUN_TRANSACTION_MANAGER: MESSAGE X SWF_CNT_001 030 |