php error happened

Technical information
Error type2
Error descriptionrequire_once(include/Articles_variables.php): failed to open stream: No such file or directory
URLvote.sizing.institute/Articles_list.php?
Error file/home/ivotesiz/addon/vote.sizing.institute/Articles_list.php
Error line9
SQL queryINSERT INTO `audit` (`datetime`,`ip`,`user`,`table`,`action`,`description`) VALUES ('2018-04-24 19:49:21','54.198.78.121','Guest','Users','login','')

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