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:17216) [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/GetLandingBlogSubPageList reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.133\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' }
{ FetchError: invalid json response body at https://api.otelleri.net/api/GetLandingBlogHotels reason: Unexpected end of JSON input
    at C:\websites\otelleri.net\publish\front-end\v1.0.133\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/GetLandingBlogHotels reason: Unexpected end of JSON input',
  type: 'invalid-json' }
(node:17216) ExperimentalWarning: The fs.promises API is experimental
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemaps.xml'
{ 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\v1.0.133\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' }
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\theme\default\theme.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\THEME\default\theme.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\theme\default\theme.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\THEME\default\theme.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemaps.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\sitemap_index.xml'
{ 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\v1.0.133\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' }
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\theme\default\theme.xml'
Error: ENOENT: no such file or directory, stat 'C:\websites\otelleri.net\publish\front-end\v1.0.133\static\zb_users\THEME\default\theme.xml'
{ 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\v1.0.133\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' }