Yalu102 Snapchat crash / notifications malfunction

I’m running iOS 10.2 on iPod touch 6. Jailbroken with yalu102 b7 and the problem is that Snapchat sometimes crashes the whole OS. It’s like the screen goes off and then it reboots. I have no Snapchat tweaks installed. Also another problem I have are notifications where I only see the name of the application without any preview/text