Admin > Scheduler Fatal Error

I’m getting this error:
Fatal error: Cannot redeclare pollMonitoredInboxesAOP() (previously declared in /xxxx/xxxxx/public_html/xxxxxxx/modules/Schedulers/_AddJobsHere.php:535) in /xxxx/xxxxx/public_html/xxxxxxx/custom/modules/Schedulers/Ext/ScheduledTasks/scheduledtasks.ext.php on line 161
If i delete or rename the file int he custom folder then the Admin>Scheduler page shows up … but it i get the same error if I do a Quick Repair.
Thanks,
Mauro

I got an similar error about a FATAL ERROR during Scheduler “Check Inbound Mailboxes” :

[FATAL] Job 2d89bcff-8dfe-0bab-d6f8-56a8a3fa632c (Check Inbound Mailboxes) failed in CRON run

All Inbound Mailbox settings are ok and tested !

I’m running SuiteCrm 7.5 version.