...
The Jobs module is accessed from the Management menu.
...
The Status column displays if the job is new (aka, yet to be processed) or has failed. Note: Successfully processed jobs are removed from the list upon completion.
To obtain further information about a specific job, click the job ID.
Although not recommended, it is possible to delete jobs by clicking the trash icon. Upon clicking the trash icon, a confirmation window will appear. Click OK to proceed with the deletion.
If it appears that jobs are not being processed, test the job worker.