Diagnosis of Workflows with Errors 
Use
This function establishes all workflows with errors and groups them according to error cause. The evaluation results displayed are runtime information. If the tables are already very full, the report will have a longer runtime (a few minutes).

To be precise, the system establishes top-level work items with errors. Top-level work items are either workflows or work items of all other types that are not part of a workflow.
Features
The
ABAP List Viewer is used to display the work items with errors.The possible error causes used by the system for grouping purposes are:
The following additional functions are available on the application toolbar:
If you select a work item and choose this function, the relevant
If you select a work item and choose this function, a dialog box appears listing errors, warnings and notes about the selected work item.
If you select a work item and choose this function, you go the screen
Choose this function if you have processed a work item with errors and you want to restart it.
Activities
You can access the processing of workflows with errors by choosing Tools ® Business Workflow ® Development ® Administration ® Workflow runtime ® Diagnosis of workflows with errors.