Solution : https://service.sap.com/sap/support/notes/457158 (SAP Service marketplace login required)
Key words :
enter message class 'ao', start transaction se91, 'invalid workflow receiver, workflow task ts00300052, affected appropriation request, workflow task, appropriation request, workflow item, general task, error message
Related Notes :
| 118251 | Workflow approval of appropriation request |
| 92288 | Appropriation request: Status ZGEN cannot be changed |