iisnode encountered an error when processing the request.

HRESULT: 0x6d
HTTP status: 500
HTTP subStatus: 1013
HTTP reason: Internal Server Error

You are receiving this HTTP 200 response because system.webServer/iisnode/@devErrorsEnabled configuration setting is 'true'.

In addition to the log of stdout and stderr of the node.exe process, consider using debugging and ETW traces to further diagnose the problem.

The last 64k of the output generated by the node.exe process to stderr is shown below:

(node:3988) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at D:\onesize-cs\app.js:83:5
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:137:13)
    at Route.dispatch (D:\onesize-cs\node_modules\express\lib\router\route.js:112:3)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:281:22
    at param (D:\onesize-cs\node_modules\express\lib\router\index.js:354:14)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at D:\onesize-cs\app.js:83:5
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:137:13)
    at Route.dispatch (D:\onesize-cs\node_modules\express\lib\router\route.js:112:3)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:281:22
    at param (D:\onesize-cs\node_modules\express\lib\router\index.js:354:14)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:127:14)
    at D:\onesize-cs\app.js:66:5
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at serveStatic (D:\onesize-cs\node_modules\serve-static\index.js:75:16)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at serveStatic (D:\onesize-cs\node_modules\serve-static\index.js:75:16)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at serveStatic (D:\onesize-cs\node_modules\serve-static\index.js:75:16)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:127:14)
    at D:\onesize-cs\app.js:66:5
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at ReadFileContext.callback (D:\onesize-cs\app.js:531:9)
    at FSReqWrap.readFileAfterOpen [as oncomplete] (fs.js:237:13)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:127:14)
    at D:\onesize-cs\app.js:66:5
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at ReadFileContext.callback (D:\onesize-cs\app.js:531:9)
    at FSReqWrap.readFileAfterOpen [as oncomplete] (fs.js:237:13)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at serveStatic (D:\onesize-cs\node_modules\serve-static\index.js:75:16)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at serveStatic (D:\onesize-cs\node_modules\serve-static\index.js:75:16)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
Error: Failed to lookup view "404.ejs" in views directory "D:\onesize-cs\views"
    at Function.render (D:\onesize-cs\node_modules\express\lib\application.js:580:17)
    at ServerResponse.render (D:\onesize-cs\node_modules\express\lib\response.js:1012:7)
    at do404 (D:\onesize-cs\app.js:558:19)
    at Layer.handle [as handle_request] (D:\onesize-cs\node_modules\express\lib\router\layer.js:95:5)
    at trim_prefix (D:\onesize-cs\node_modules\express\lib\router\index.js:317:13)
    at D:\onesize-cs\node_modules\express\lib\router\index.js:284:7
    at Function.process_params (D:\onesize-cs\node_modules\express\lib\router\index.js:335:12)
    at next (D:\onesize-cs\node_modules\express\lib\router\index.js:275:10)
    at next (D:\onesize-cs\node_modules\express\lib\router\route.js:127:14)
    at D:\onesize-cs\app.js:66:5