I’m new in react and node js getting error when create new controller and model and route

TypeError: Cannot read property 'findAll' of undefined
   at exports.findAll (F:\elicit\hello_fullstack\renemattias-nodejs-master\app\controller\subscriber.controller.js:19:13)
   at Layer.handle [as handle_request] (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\layer.js:95:5)
   at next (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\route.js:137:13)
   at Route.dispatch (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\route.js:112:3)
   at Layer.handle [as handle_request] (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\layer.js:95:5)
   at F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:281:22
   at Function.process_params (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:335:12)
   at next (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:275:10)
   at cors (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:188:7)
   at F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:224:17
   at originCallback (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:214:15)
   at F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:219:13
   at optionsCallback (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:199:9)
   at corsMiddleware (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\cors\lib\index.js:204:7)
   at Layer.handle [as handle_request] (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\layer.js:95:5)
   at trim_prefix (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:317:13)
   at F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:284:7
   at Function.process_params (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:335:12)
   at next (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:275:10)
   at jsonParser (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\body-parser\lib\types\json.js:110:7)
   at Layer.handle [as handle_request] (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\layer.js:95:5)
   at trim_prefix (F:\elicit\hello_fullstack\renemattias-nodejs-master\node_modules\express\lib\router\index.js:317:13)