Many of you are unaware that cache plugins may cause more harm than good on the 000webhost platform, because 000webhost does not support them 
Anyway, we’re here to learn right?
Today, we’ll be learning a quickie tutorial on how to manually delete that plugin if you can’t access the wp-admin anymore.
Let’s go!
To fix the issue, login to the online file manager, enter your .htaccess file, and delete everything not between
#BEGIN WORDPRESS
#END WORDPRESS
Then, go to wp-contents, then wp-plugins (or plugins) then delete the cache plugin’s dir.