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:13108) [DEP0005] DeprecationWarning: Buffer() is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLocationFooterPopulars reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLocationFooterPopulars reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelDetailSimilarHotels reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelDetailSimilarHotels reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingPageHotels reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingPageHotels reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingPage reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingPage reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingPageFooterPopulars reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingPageFooterPopulars reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelCommentsLocation reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelCommentsLocation reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingPage reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingPage reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingPageHotels reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingPageHotels reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetCombinationCategory reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetCombinationCategory reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelCommentsMainPage reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelCommentsMainPage reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetCombinationFooterPopulars reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetCombinationFooterPopulars reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelsByAll reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelsByAll reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelsByContent reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelsByContent reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelsByLocation reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelsByLocation reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetHotelsByLocation reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetHotelsByLocation reason: Unexpected end of JSON input',
  type: 'invalid-json' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingBlogSubPageList reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\node-fetch\lib\index.js:272:32
    at process._tickCallback (internal/process/next_tick.js:68:7)
  message:
   'invalid json response body at https://api.otelleri.net/api/GetLandingBlogSubPageList reason: Unexpected end of JSON input',
  type: 'invalid-json' }
(node:13108) ExperimentalWarning: The fs.promises API is experimental
(node:13108) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'toLowerCase' of undefined
    at handleRequest (C:\websites\otelleri.net\publish\front-end\v1.0.132\server.js:227:27)
    at server.get (C:\websites\otelleri.net\publish\front-end\v1.0.132\server.js:166:16)
    at Layer.handle [as handle_request] (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\layer.js:95:5)
    at next (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\route.js:137:13)
    at Route.dispatch (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\route.js:112:3)
    at Layer.handle [as handle_request] (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\layer.js:95:5)
    at C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\index.js:281:22
    at param (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\index.js:354:14)
    at param (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\index.js:365:14)
    at Function.process_params (C:\websites\otelleri.net\publish\front-end\v1.0.132\node_modules\express\lib\router\index.js:410:3)
(node:13108) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 930)
(node:13108) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\blog\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\web\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\wordpress\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\website\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\wp\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\news\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\2018\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\2019\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\shop\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\wp1\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\test\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\media\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\wp2\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\site\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\cms\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\genc\sito\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\blog\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\web\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\wordpress\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\wp\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\2020\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\2019\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\2021\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\shop\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\wp1\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\test\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\site\wp-includes\wlwmanifest.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.132\static\cms\wp-includes\wlwmanifest.xml'