TypeError: Cannot read property 'uid' of undefined
   at /home/kalender02/index.js:144:50
   at Layer.handle [as handle_request] (/home/kalender02/node_modules/express/lib/router/layer.js:95:5)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:137:13)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at next (/home/kalender02/node_modules/express/lib/router/route.js:131:14)
   at Route.dispatch (/home/kalender02/node_modules/express/lib/router/route.js:112:3)