Auto closure Scheduler Record are not processing

Dear Experts,

I'm facing an issue that we have autoclosure ruleset defined in workflow for Incident after 3 days using schedule Action. THe schedule records are getting created but these records are not getting processed neither I'm seeing any error.  Manualy when I tried to change the Class from ScheduleAction to problem, it succesfully get processed. I have tried manytimes to restart ScheduleAction process but no luck. Kindly suggest.