Errorr class-fastimage.php on line 31

Please help me, fix it.

https://canhobinhkhanh.vn/chung-cu-binh-khanh-thuan-viet-quan-2/amp/

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Warning: fopen() [function.fopen]: http:// wrapper is disabled in the server configuration by allow_url_fopen=0 in /home/canhoorg/public_html/canhobinhkhanh.vn/wp-content/plugins/amp/includes/lib/class-fastimage.php on line 31

Warning: fopen(http://canhonewcity.com/wp-content/uploads/2017/07/chung-cu-binh-khanh-thuan-viet.jpg) [function.fopen]: failed to open stream: no suitable wrapper could be found in /home/canhoorg/public_html/canhobinhkhanh.vn/wp-content/plugins/amp/includes/lib/class-fastimage.php on line 31