Am error occurred in your website and your page...please HELP!

Hi.
After installing W3 total cache plug in my website is displaying an error and I cannot access it. Tried to access wp-admin control panel but it’s also not working. Could you please help me? My website submission is due in just 1 hour!!!
Here S the link
filhotesparaadocao.000webhostapp.com

Thanks

Jean

Forgot to mention, the website adress is:
filhotesparaadocao.000webhostapp.com

So as per tutorials on the forum I removed the htaccess in the public directory and restore the default WordPress one.
I opened the wp-content directory and deleted any files or folders pertaining to the cache plugin.
I opened plugins under wp-content directory and again deleted any files or folders pertaining to the cache plug-in.