Frustrated!

Okay it was working fine until I logged out of my main account to log into my side account and now it wont let me log back in to my main account! Ive tried deleting the app and redownloading it and everything and it still wont work! I really liked the app until this point and now Im just really frustrated and confused

peanutbutter panda about Followers + for Instagram - Follower Analytics, v1.9.8