I recently updated XF to 2.1 and i've been receiving sitemap error. The errors are logged as follows.
GuzzleHttp\Exception\ServerException: Error submitting sitemap to https://www.bing.com/ping?sitemap=https%3A%2F%2Fwww.mydomain.com%2Fsitemap.php: Server error: GET...
When clicking on online visitors -> bots > Bing Bot Xenforo opens this URL:
And it gets a 301
I think this is now the correct URL: