When viewing my calendar on the home page, after I switch to the month view I get this error:
Warning: date() [function.date]: Windows does not support dates prior to midnight (00:00:00), January 1, 1970 in C:\SUGARCRM\htdocs\sugarcrm\modules\Calendar\templ ates\templates_calendar.php on line 782

Warning: date() [function.date]: Windows does not support dates prior to midnight (00:00:00), January 1, 1970 in C:\SUGARCRM\htdocs\sugarcrm\modules\Calendar\templ ates\templates_calendar.php on line 782

Warning: date() [function.date]: Windows does not support dates prior to midnight (00:00:00), January 1, 1970 in C:\SUGARCRM\htdocs\sugarcrm\modules\Calendar\templ ates\templates_calendar.php on line 782

Warning: date() [function.date]: Windows does not support dates prior to midnight (00:00:00), January 1, 1970 in C:\SUGARCRM\htdocs\sugarcrm\modules\Calendar\templ ates\templates_calendar.php on line 782

Please help to resolve the issue.