TypeError: Cannot read property 'toString' of undefined
   at results (/home/appuser/capture.js:262:28)
   at Layer.handle [as handle_request] (/home/appuser/node_modules/express/lib/router/layer.js:95:5)
   at next (/home/appuser/node_modules/express/lib/router/route.js:137:13)
   at Route.dispatch (/home/appuser/node_modules/express/lib/router/route.js:112:3)
   at Layer.handle [as handle_request] (/home/appuser/node_modules/express/lib/router/layer.js:95:5)
   at /home/appuser/node_modules/express/lib/router/index.js:281:22
   at Function.process_params (/home/appuser/node_modules/express/lib/router/index.js:335:12)
   at next (/home/appuser/node_modules/express/lib/router/index.js:275:10)
   at expressInit (/home/appuser/node_modules/express/lib/middleware/init.js:40:5)
   at Layer.handle [as handle_request] (/home/appuser/node_modules/express/lib/router/layer.js:95:5)
   at trim_prefix (/home/appuser/node_modules/express/lib/router/index.js:317:13)
   at /home/appuser/node_modules/express/lib/router/index.js:284:7
   at Function.process_params (/home/appuser/node_modules/express/lib/router/index.js:335:12)
   at next (/home/appuser/node_modules/express/lib/router/index.js:275:10)
   at query (/home/appuser/node_modules/express/lib/middleware/query.js:44:5)
   at Layer.handle [as handle_request] (/home/appuser/node_modules/express/lib/router/layer.js:95:5)