Fatal error: Cannot redeclare date_compare() (previously declared in /var/www/html/myhobbycourses_new/20170329/sites/all/modules/custom/custom_multiple_products/custom_multiple_products.module:111) in /var/www/html/myhobbycourses_new/20170329/sites/all/modules/custom/custom_multiple_products/custom_multiple_products.module on line 111