OAuth client error

Error: it was not possible to access the OAuth request token: it was returned an unexpected response status 404 Response: <html> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/> <title>Error 404 Not Found</title> </head> <body><h2>HTTP ERROR 404 Not Found</h2> <table> <tr><th>URI:</th><td>/oauth/v2/get_request_token</td></tr> <tr><th>STATUS:</th><td>404</td></tr> <tr><th>MESSAGE:</th><td>Not Found</td></tr> <tr><th>SERVLET:</th><td>org.eclipse.jetty.servlet.ServletHandler$Default404Servlet-ceb7701</td></tr> </table> <hr><a href="http://eclipse.org/jetty">Powered by Jetty:// 9.4.22.v20191022</a><hr/> </body> </html>