Warning Camera Failed | Camera Error Can't Connect to the Camera Problem

Warning Camera Failed, Camera Error Can't Connect to the Camera Problem
#FixCameraErrorCan'tConnecttotheCameraProblem
#FixWARNINGCAMERAFAILED
#CameraNotWorkingonphone

[@samisanch6373]

How to freeze remaining quantity for invontry that i put the formula total quantity- sold quantity so when i clear the content the remaining product will equal to the total so how to freeze wherther the quantity is cleared or not pls replay its argent

[@samisanch6373]

pls replay