PHP Error Topic View

[Brian]

I'm getting a weird error when I try to view a topic (see below for error):

Fatal error: Class 'IPS\Theme\Cache\class_forums_front_topics' not found in /home4/safarita/public_html/system/Theme/Theme.php(887) : eval()'d code on line 11

This has been randomly appearing, could a database issue dealing with the cache do this? 

Now, what I did was upgraded to the latest version, did a compare of the template files, and manually upgraded them. I've done this numerous numerous times. The error still appears. I've ran the support tool disabled plugins, error still appears. It's only on my customized theme, but I can't figure it out. 

What else could cause this?

EDIT FIXED Well.... I decided to download the theme and then upload it again, and guess what? It seems to be working. Really curious on the error. 

[Adlago]

This is after checking your hooks.

Check out the 3rd party plugins - it's possible for a one plugin to create this error.