Error message

• Warning: file_get_contents(http://metproducts.gov.tt/ttms/public/api/communications?type=announcement): failed to open stream: HTTP request failed! HTTP/1.1 500 Internal Server Error in include() (line 25 of /home/wzw/public_html/d7/includes/ad-banner.php).
• Notice: Undefined index: new_page in include() (line 72 of /home/wzw/public_html/d7/includes/ad-banner.php).
• Warning: Missing argument 1 for twitter_account_access() in twitter_account_access() (line 93 of /home/wzw/public_html/d7/sites/all/modules/twitter/twitter.module).
• Notice: Undefined variable: account in twitter_account_access() (line 98 of /home/wzw/public_html/d7/sites/all/modules/twitter/twitter.module).
• Notice: Trying to get property of non-object in twitter_account_access() (line 98 of /home/wzw/public_html/d7/sites/all/modules/twitter/twitter.module).