Cannot call session save handler in a recursive manner in Unknown

[GhaziTriki]

When you leave the application for 24 hours they you get back you get a 403 error.
PHP logs contains this Cannot call session save handler in a recursive manner in Unknown

I found this thread talking about this issue: https://groups.google.com/forum/#!topic/f3-framework/2dDvsmIH47I

@bcosca What do you think about it? This issue has been annoying us since 3 years and we love using fatfree for its performance. (I hope you are safe by the way)