Default Lens blur FC

Lens blur of Google camera is FC while taking a shot after rebooting my phone. It works installing again but after reboot it FC again.

Any idea why this happens?

Sent from my Nexus 5 using XDA Premium 4 mobile app
Devices:

HTC EXPLORER Sense 4 + TWRP
NEXUS 5 Stock + Xposed + ElementalX Kernel + TWRP