Cannot take photos, message pops up that says "Not enough storage space"
This isn't referring to storage on iCloud but on your device itself. 


Go to Settings &gt; General &gt; Usage
Under Storage (which is above iCloud) you will get a list of all the apps by size. If there is one you don't use you can delete it to get space to take a picture. If you don't see a list of apps, your phone is probably processing through and you will see a spinning indicator until it finishes: