You may also try restarting your phone as a solution to this problem.
Also, make sure you go to a location with better network coverage if you find yourself in a situation where there is poor service. Your data would need to be turned off and on again in order to do this. It could be that your phone's network is unstable or you are just in an area with poor network coverage. This is the most common thing to watch out for. Here are 9 ways to fix “can’t install app from google play store”. If you attempt to download one of these mobile apps, do you ever get a pop-up message saying that you are unable to install it from the Google Play Store?