TypeError: Cannot read property 'split' of undefined
   at detectUserLanguage (/home/gecekosuse/gk-live/services/render.js:6:42)
   at exports.anasayfaRoute (/home/gecekosuse/gk-live/services/render.js:31:18)
   at Layer.handle [as handle_request] (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/layer.js:95:5)
   at next (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/route.js:144:13)
   at urlencodedParser (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/node_modules/body-parser/lib/types/urlencoded.js:91:7)
   at Layer.handle [as handle_request] (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/layer.js:95:5)
   at next (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/route.js:144:13)
   at Route.dispatch (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/route.js:114:3)
   at Layer.handle [as handle_request] (/home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/layer.js:95:5)
   at /home/gecekosuse/nodevenv/gk-live/12/lib/node_modules/express/lib/router/index.js:284:15