Problem with agents do not run on schedule

Hi, when I run my agent works fine, but when I do a test gives the message"(0) documents were modified by formula. And when is on schedule does not work, even start one time automatically.

It’s a private agent on a specified server with formula function to execute in the action. thank, I hope you’ll help me.

Subject: RE: Problem with agents do not run on schedule

Can you provide a little more info? Such as, what trigger, schedule, is it processing on the correct server? Also, are you selecting documents to process properly? Can you share some code to help identify the issue?