Q-assign Scheduler is sometimes unable to schedule itself and throws an error that you have exceeded the maximum number of Apex scheduled jobs. This is due to a Salesforce limitation that allows only 100 Apex jobs to be scheduled to run in future. As a result, Q-assign is not able to schedule the Apex job to assign records. You can see an error in below screenshot of Control Panel tab.
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This issue can be resolved by un-scheduling some of the other batches to ease out Salesforce limit, and Q-assign should be able to schedule itself after. In order to avoid this in future, we recommend a review of all scheduled jobs and see, which ones can be removed or their concurrent number can be reduced to free up some slots for Q-assign to run.
You can view your Apex Jobs here: Your Name | Setup, now search for Apex Jobs (you can see it under Jobs)
Please contact us at support@ortooapps.com for any questions.