Udemy - Rakuten api problem

Job ID: 38123173

Budget: $30 – $250 USD

I need to solve a problem with the Masterstudy plugin, it´s installed, and the credentials of Rakuten and udemy copied.
This is the plugin documentation
https://docs.stylemixthemes.com/masterstudy-theme-documentation/masterstudy-lms-pro-addons/masterstudy-theme-manual-udemy-course-importer

But there is this message. I need someone who can analyze the problem, and if possible, solve it. According the Masterstudy plugin support, it´s running. So, could be other problems.

this is the error message

Error calling GET https://www.udemy.com/api-2.0/courses/?search=WordPress&page_size=50: (403) <!doctype html> <html> <head><meta charset='utf-8'> <title>Error • Udemy</title> </head> <body> Forbidden <script>(function(){if (!document.body) return;var js = "window['__CF$cv$params']={r:'885cdcdf3f9f9180',t:'MTcxNjA0NTk1Ny4wMzIwMDA='};_cpo=document.createElement('script');_cpo.nonce='',_cpo.src='/cdn-cgi/challenge-platform/scripts/jsd/main.js',document.getElementsByTagName('head')[0].appendChild(_cpo);";var _0xh = document.createElement('iframe');_0xh.height = 1;_0xh.width = 1;_0xh.style.position = 'absolute';_0xh.style.top = 0;_0xh.style.left = 0;_0xh.style.border = 'none';_0xh.style.visibility = 'hidden';document.body.appendChild(_0xh);function handler() {var _0xi = _0xh.contentDocument || _0xh.contentWindow.document;if (_0xi) {var _0xj = _0xi.createElement('script');_0xj.innerHTML = js;_0xi.getElementsByTagName('head')[0].appendChild(_0xj);}}if (document.readyState !== 'loading') {handler();} else if (window.addEventListener) {document.addEventListener('DOMContentLoaded', handler);} else {var prev = document.onreadystatechange || function () {};document.onreadystatechange = function (e) {prev(e);if (document.readyState !== 'loading') {document.onreadystatechange = prev;handler();}};}})();</script></body> </html>
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