Misago SSO server?

Good day. I got this problem, I have a site on Django 2.2.9 and a forum on misago, does not want to work sso

WebserviceError at /sso/client/
b'<!DOCTYPE html>\n<html lang="en">\n<head>\n <meta http-equiv="content-type" content="text/html; charset=utf-8">\n <title>Page not found at /request-token/</title>\n <meta name="robots" content="NONE,NOARCHIVE">\n <style type="text/css">\n html * { padding:0; margin:0; }\n body * { padding:10px 20px; }\n body * * { padding:0; }\n body { font:small sans-serif; background:#eee; color:#000; }\n body>div { border-bottom:1px solid #ddd; }\n h1 { font-weight:normal; margin-bottom:.4em; }\n h1 span { font-size:60%; color:#666; font-weight:normal; }\n table { border:none; border-collapse: collapse; width:100%; }\n td, th { vertical-align:top; padding:2px 3px; }\n th { width:12em; text-align:right; color:#666; padding-right:.5em; }\n #info { background:#f6f6f6; }\n #info ol { margin: 0.5em 4em; }\n #info ol li { font-family: monospace; }\n #summary { background: #ffc; }\n #explanation { background:#eee; border-bottom: 0px none; }\n </style>\n</head>\n<body>\n <div id="summary">\n <h1>Page not found <span>(404)</span></h1>\n <table class="meta">\n <tr>\n <th>Request Method:</th>\n <td>POST</td>\n </tr>\n <tr>\n <th>Request URL:</th>\n <td>insonne.ru/request-token/</td>\n </tr>\n \n </table>\n </div>\n <div id="info">\n \n <p>\n Using the URLconf defined in <code>insonne.urls</code>,\n Django tried these URL patterns, in this order:\n </p>\n <ol>\n \n <li>\n \n ckeditor5 /\n \n \n </li>\n \n <li>\n \n admin/\n \n \n </li>\n \n <li>\n \n ^$\n \n \n </li>\n \n <li>\n \n result\n \n \n </li>\n \n <li>\n \n fail\n \n \n </li>\n \n <li>\n \n register\n \n \n </li>\n \n <li>\n \n login\n \n \n </li>\n \n <li>\n \n logout\n \n \n </li>\n \n <li>\n \n basic_full\n \n \n </li>\n \n <li>\n \n basic_part_30\n \n \n </li>\n \n <li>\n \n basic_part_40\n \n \n </li>\n \n <li>\n \n basic_part_50\n \n \n </li>\n \n <li>\n \n basic_part_60\n \n \n </li>\n \n <li>\n \n graphics_full\n \n \n </li>\n \n <li>\n \n graphics_part_30\n \n \n </li>\n \n <li>\n \n graphics_part_40\n \n

and so on, done at your prompt

I understand that he cannot find the authorization response page, but I tried everything I could, nothing happened.
Sorry for my English