Server error (5xx)

These are the links giving error in google search console.
AMP version URL Last crawled
http://turpugodavarizilla.com/tourist-places/religious-tourism/dwarapudi/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/antharvedi/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/?amp
17 Jan 2019
http://turpugodavarizilla.com/cultural-tourism/?amp
17 Jan 2019
http://turpugodavarizilla.com/2018/12/26/trai-rules-dth-costs-high/amp/
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/annavaram/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/palivela/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/kadali-kapoteswara-swamy/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/mandapalli/?amp
17 Jan 2019
http://turpugodavarizilla.com/tourist-places/religious-tourism/muramalla/?amp
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Validation issues
The mandatory tag ‘amphtml engine v0.js script’ is missing or incorrect.
1 instance
Line 181:237
>
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The mandatory tag ‘head > style[amp-boilerplate]’ is missing or incorrect.
1 instance
Line 181:237
>
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The mandatory tag ‘noscript enclosure for boilerplate’ is missing or incorrect.
1 instance
Line 181:237
>
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The tag ‘noscript > style[amp-boilerplate]’ may only appear as a descendant of tag ‘head’.
1 instance
Line 34:5215
<style amp-boilerplate>body{-webkit-animation:none;-moz-anima