Post Expirator doesn't work

Hi everyone,
thank you so much for the post expirator plug-in project.
But It worked until a few weeks ago, and now doesn’t work.

I have a multisite http://www.masfuerte.eu, I use 4.2.3 wordpress version with 2.1.4. PE version.
A particular: the “Current Cron Schedule:” use +0000 and my general setting use UTC+1.

any suggestions?
thank a lot!

https://wordpress.org/plugins/post-expirator/