Can't use the camera since last update. Have tried deleting and reloading. And switching off phone

Hello Mustafa_802-hotma, thanks for posting on the Community page, please can you try

refreshing the date in the app see if this resolves It for you.

Ios

 1. Go to menu (three lines going down in a line) and tap Help & Feedback 

2. tap Refresh Data. Note: A message appears "Caution. If there was a problem getting your latest Quickbooks \Online data, you can refresh it now. It may Take a few mintues" 

3. Tap Refresh to confirm 

Android

 1. Go to Menu (three lines going down in a line) then tap More options (three dots going down in a line). 

2. Tap Settings then Refresh Data. 

3. Tap YES to confirm