this error showed up for no reason after a user of my site reported it in,

its seenable in the inbox view of the site, the error:

Fatal error: Cannot redeclare showmessage() (previously declared in c:\domains\inf3kt.nl\wwwroot\components\com_uddeim\uddeim.php:1083) in c:\domains\inf3kt.nl\wwwroot\components\com_comment\joscomment\utils.php on line 26