Lot many third party plugin errors

Hey there.
I am configuring my website for AMP.
Link: Maitechbaba.com
But all of my pages are showing blank or broken. Like..
maitechbaba.com/pc/ (non amp)
maitechbaba.com/pc/amp

maitechbaba.com/youtube-tips (non amp)
maitechbaba.com/youtube-tips/amp

maitechbaba.com/learn-python-hindi (non amp)
maitechbaba.com/learn-python-hindi/amp

I tried to write pages in Amp page builder, I am getting loads of errors like.

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 402

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 406

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 401

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 402

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 406

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 401

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 402

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 406

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 401

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 402

Notice: Undefined index: extension in /home/m6uq5ngthyaj/public_html/wp-content/plugins/accelerated-mobile-pages/includes/thirdparty-compatibility.php on line 406

I am not much of programming guy. Can you tell me some simple fix.
I tried not to set pages for ano. But my homepage is custom status page. So I cant have this option too. Please Help.

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