(adsbygoogle = window.adsbygoogle || []).push({}); This is linked to a Tut I found on YouTube, which is done by someone who is actually a man instead of one of the annoying kids.
Great tutorial on how to fix an error that may pop while you try to update Cydia or add a source.
Worked for me perfectly.
I don't take any credit for this, enjoy

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Thanks I have this same problem. Going to use this guide.

Yeah definitely glad I YouTubed it because I wasn't sure what was going on with my phone. Thought it might've just been a temporary error or something.
Thanks for the rep mate