Main causes

The server cannot produce a response that matches the media types specified in the `Accept` header of the HTTP request.
The server cannot provide a response that conforms to the character sets defined in the `Accept-Charset` header of the request.
The server does not support any of the content encodings listed in the `Accept-Encoding` header of the request.
The server cannot generate a response that adheres to the language preferences specified in the `Accept-Language` header of the request.

# Request example 
curl -X PUT https://sandbox.oxylabs.io/ -H 'Accept: application/xhtml+xml' -H 'Accept-Encoding: compress' -H 'User-Agent: Chrome/91.0.4472.124'

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Common fixes

Check the permissions set for your user account and ensure you have the necessary rights to access the resource.
Review the application's access control settings and modify them if your user role should have access.
Contact the system administrator to verify your user role is correctly configured and request access if needed.
Ensure the URL is correct and the resource is intended to be accessible for your user role.

# Response example HTTP/1.1 406 Not Acceptable Content-Type: text/html 406 Not Acceptable

Not Acceptable

The requested resource is only capable of generating content not acceptable according to the Accept headers sent in the request.

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Common scraping HTTP error codes

401 Unauthorized	403 Forbidden	404 Not found	405 Method not allowed	406 Not acceptable
407 Proxy authentication required	408 Request timeout	409 Conflict	410 Gone	411 Length required
412 Precondition failed	413 Payload too large	414 Uri too long	415 Unsupported media type	416 Range not satisfiable
417 Expectation failed	421 Misdirected request	422 Unprocessable entity	423 Locked	424 Failed dependency
426 Upgrade required	428 Precondition required	429 Too many requests	431 Request header fields too large	444 Connection: close
451 Unavailable for legal reasons	499 Client closed request	501 Not implemented	503 Service unavailable	505 Http version not supported
506 Variant also negotiates	507 Insufficient storage	508 Loop detected	510 Not extended	511 Network authentication required