class_core.php error
 

Hello,

I am receiving the following error when trying to access my forum. This is an intermittent error. Eventually I'll be allowed to view the forum. I'm not php literate, so I don't know what this error means. Any assistance will be appreciated. Thanks

Warning: date() expects parameter 2 to be long, string given in /usr/local/apache2/htdocs/bulletinboard/includes/class_core.php on line 976