at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
    at Function.process_params (/usr/src/app/node_modules/express/lib/router/index.js:335:12),
    at next (/usr/src/app/node_modules/express/lib/router/index.js:275:10),
    at app.use (/usr/src/app/app.js:99:5),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at trim_prefix (/usr/src/app/node_modules/express/lib/router/index.js:317:13),
    at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
Error: The data format of the parameter is not valid.,
    at ApiHandler.processQueryStringToGetOrderList (/usr/src/app/resources/ApiHandler/index.js:187:39),
    at router.get (/usr/src/app/routes/orders.js:8:41),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at next (/usr/src/app/node_modules/express/lib/router/route.js:137:13),
    at Route.dispatch (/usr/src/app/node_modules/express/lib/router/route.js:112:3),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at /usr/src/app/node_modules/express/lib/router/index.js:281:22,
    at param (/usr/src/app/node_modules/express/lib/router/index.js:354:14),
    at param (/usr/src/app/node_modules/express/lib/router/index.js:365:14),
    at Function.process_params (/usr/src/app/node_modules/express/lib/router/index.js:410:3),
    at next (/usr/src/app/node_modules/express/lib/router/index.js:275:10),
    at Function.handle (/usr/src/app/node_modules/express/lib/router/index.js:174:3),
    at router (/usr/src/app/node_modules/express/lib/router/index.js:47:12),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at trim_prefix (/usr/src/app/node_modules/express/lib/router/index.js:317:13),
    at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
    at Function.process_params (/usr/src/app/node_modules/express/lib/router/index.js:335:12),
    at next (/usr/src/app/node_modules/express/lib/router/index.js:275:10),
    at app.use (/usr/src/app/app.js:99:5),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at trim_prefix (/usr/src/app/node_modules/express/lib/router/index.js:317:13),
    at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
Error: The data format of the parameter is not valid.,
    at ApiHandler.processQueryStringToGetOrderList (/usr/src/app/resources/ApiHandler/index.js:187:39),
    at router.get (/usr/src/app/routes/orders.js:8:41),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at next (/usr/src/app/node_modules/express/lib/router/route.js:137:13),
    at Route.dispatch (/usr/src/app/node_modules/express/lib/router/route.js:112:3),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at /usr/src/app/node_modules/express/lib/router/index.js:281:22,
    at param (/usr/src/app/node_modules/express/lib/router/index.js:354:14),
    at param (/usr/src/app/node_modules/express/lib/router/index.js:365:14),
    at Function.process_params (/usr/src/app/node_modules/express/lib/router/index.js:410:3),
    at next (/usr/src/app/node_modules/express/lib/router/index.js:275:10),
    at Function.handle (/usr/src/app/node_modules/express/lib/router/index.js:174:3),
    at router (/usr/src/app/node_modules/express/lib/router/index.js:47:12),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at trim_prefix (/usr/src/app/node_modules/express/lib/router/index.js:317:13),
    at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
    at Function.process_params (/usr/src/app/node_modules/express/lib/router/index.js:335:12),
    at next (/usr/src/app/node_modules/express/lib/router/index.js:275:10),
    at app.use (/usr/src/app/app.js:99:5),
    at Layer.handle [as handle_request] (/usr/src/app/node_modules/express/lib/router/layer.js:95:5),
    at trim_prefix (/usr/src/app/node_modules/express/lib/router/index.js:317:13),
    at /usr/src/app/node_modules/express/lib/router/index.js:284:7,
events.js:173,
      throw er; // Unhandled 'error' event,
      ^,
,
Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client,
    at ServerResponse.setHeader (_http_outgoing.js:482:11),
    at ServerResponse.header (/usr/src/app/node_modules/express/lib/response.js:771:10),
    at ServerResponse.send (/usr/src/app/node_modules/express/lib/response.js:170:12),
    at ServerResponse.json (/usr/src/app/node_modules/express/lib/response.js:267:15),
    at ApiHandler.respond (/usr/src/app/resources/ApiHandler/index.js:120:41),
    at ShopifyProcessor.callback (/usr/src/app/resources/ApiHandler/index.js:105:48),
    at doc.save.err (/usr/src/app/processors/shopify_processor/index.js:118:22),
    at /usr/src/app/node_modules/mongoose/lib/model.js:4600:16,
    at /usr/src/app/node_modules/mongoose/lib/utils.js:264:16,
    at model.$__save.error (/usr/src/app/node_modules/mongoose/lib/model.js:470:7),
    at /usr/src/app/node_modules/kareem/index.js:315:21,
    at next (/usr/src/app/node_modules/kareem/index.js:209:27),
    at /usr/src/app/node_modules/kareem/index.js:182:9,
    at process.nextTick (/usr/src/app/node_modules/kareem/index.js:507:38),
    at process.internalTickCallback (internal/process/next_tick.js:70:11),
Emitted 'error' event at:,
    at /usr/src/app/node_modules/mongoose/lib/model.js:4602:13,
    at /usr/src/app/node_modules/mongoose/lib/utils.js:264:16,
    [... lines matching original stack trace ...],
    at process.internalTickCallback (internal/process/next_tick.js:70:11),
npm ERR! code ELIFECYCLE,
npm ERR! errno 1,
npm ERR! rewards@1.0.0 start: `node app.js`,
npm ERR! Exit status 1,