Troubleshooting
The application cannot find the request the response refers to: session lost in the meantime (blocked cookie, other browser, other tab), several servers without session sharing, or sign-in started from the IdP while the application forbids it.
Probable cause. The application cannot find the request the response refers to: session lost in the meantime (blocked cookie, another browser, another tab), several servers without session sharing, or a login started from the IdP while the application forbids it.
To see exactly which check fails, paste the response into theanalyseur, or paste the message into the diagnostic.
All SAML and OpenID Connect errors
Want to see it for real? ID-Kit plays the role you are missing and shows you each step.