Question [Q] AT&T D800 stuck in twrp

I am have been using the stock rom, only rooted and using xposed frame network. Had been working perfectly well until today morning is see my phone in TWRP recovery. I don't remember updating anything recently. I tried restoring from my backup, tried restoring to factory reset and tried wiping dalvik ,cache., but every time it comes back to TWRP. Please help
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Devices:LG G2 AT&T Stock Kitkat(4.4.2) with root and TWRP recovery, thanks to garyd9
Nexus 7 kitkat,rooted

Old devices
Nexus 4
HTC Sensation 4G