Ios 8.4 cydia jailbreak crashed?

I opened cydia on my iphone 6, clicked on one thing to install it and this popped up

'Warning IOS - Crash Report
Due to third party hidden malicious applications,
Ios on your mobile device has crashed.'

Then told me to contAct them and i called them and they wanted 149.99$ right there. The guy was a complete foreigner and i swear its a scam. How can i fix this. I don't have 150$ regardless if its a scam or not

Taig 2.2 on iPad Mini 2.7 works just fine no problems

I believe that it's best to update iphone and reinstall cydia thats what i did