do you have it in addons?are there any errors in the console?you need to be a bit more specific about your problem
ERROR: ForceRequiredAddOn() - "Event_Variables" is not a valid add-onBackTrace: ->ServerSettingsGui::clickLaunchGame->createServer->onServerCreated->loadAddOns->ForceRequiredAddOnERROR: VCE_lastProjectile - required add-on Event_Variables not foundBackTrace: ->ServerSettingsGui::clickLaunchGame->createServer->onServerCreated->loadAddOns
saying that 2 times