Warning: file_get_contents(https://client.grandid.com/json1.1/FederatedLogin?apiKey=3415fc6cde6a195b0b8ec2c7615541f8&authenticateServiceKey=ca0294b5007dff0d0e7523243d9c3544&callbackUrl=https%3A%2F%2Fsaml2.grandid.com%2Fmodule.php%2Fgrandid%2Fresume.php%3FState%3D_d536c97eaa12364ded8c28e8ab36dd6fdc171c8e60%253Ahttps%253A%252F%252Fsaml2.grandid.com%252Fsaml2%252Fidp%252FSSO_f47f9f6263d94fb325b8a6794ca7967b2982c2d573ed17840492da4c63e4d16a%253Fspentityid%253Dhttps%25253A%25252F%25252Fvision.se%25252FAuthServices%2526RelayState%253DsBJNFWeR_Hjzj6jqrsm0Kepl%2526cookieTime%253D1733749180): failed to open stream: HTTP request failed! HTTP/1.1 502 Bad Gateway
in /app/vendor/simplesamlphp/simplesamlphp/modules/grandid/lib/Auth/Source/External.php on line 230 POST data