Error message

• Warning: file_get_contents(https://www.youtube.com/feeds/videos.xml?channel_id=UC6Z0M-8cSiJizV5xxY6zXXg): failed to open stream: HTTP request failed! HTTP/1.0 500 Internal Server Error in eval() (line 2 of /home2/cncmenee/public_html/cnc/modules/php/php.module(80) : eval()'d code).
• Notice: Trying to access array offset on value of type bool in eval() (line 12 of /home2/cncmenee/public_html/cnc/modules/php/php.module(80) : eval()'d code).
• Warning: Invalid argument supplied for foreach() in eval() (line 12 of /home2/cncmenee/public_html/cnc/modules/php/php.module(80) : eval()'d code).
• Notice: Undefined variable: items in eval() (line 28 of /home2/cncmenee/public_html/cnc/modules/php/php.module(80) : eval()'d code).
• Warning: Invalid argument supplied for foreach() in eval() (line 28 of /home2/cncmenee/public_html/cnc/modules/php/php.module(80) : eval()'d code).
• Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home2/cncmenee/public_html/cnc/includes/common.inc).