Fatal error: Uncaught Error: Undefined constant "intro" in /export/depts/iens/lec/sites/ecostac/includes/menu.php:21
Stack trace:
#0 /export/depts/iens/lec/sites/ecostac/index.php(21): include()
#1 {main}
thrown in /export/depts/iens/lec/sites/ecostac/includes/menu.php on line 21