Why I get a 422 Could not parse assertion in my enterprise account ?Everyone else in comp can log in

Some wrong with my SSO login, I use to have and old user with the @mx1.ibm.com domain and went well , but my new user olny have the @ibm.com domain and it's not working I got an 422 could nor parse assertion error and the image of a dog 

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That does not sound like a Trello problem to me.  Could you explain more?

Ok . I have been invited by the admin of the board, the added my account xxx@ibm.com. I get into the trello SSL login page : https://trello.com/login/sso?returnUrl= and send me to a enterprise interface, I put my correct credentials, it seems to be ok, even I got a mail that send my one time pass code in my company e-mail , I put the right code and information in the page, then the page start to load and send me that error, let me paste it as it comes:

Oh no! 422!

Taco says “Could not parse assertion”, but what does he know? He's just a dog.


PD. I had a old account (now deactivated) I usually follow the same steps and could get into the Trello borad without an error . I tryed cleaning my browser cookies, history and all stuff and get the same error.  I also tryed on a friends enterprise account browser when he works ok, follow the sames steps and get the same error

Ah, I see.

I'm afraid your browser is, for some reason, sending junk to Trello. 

Imagine it should be sending xml that is technically correct and has good syntactically correct content, such as <animal>penguin</animal>, but contains nonsense data the browser has sent <animal>light bulb</animal>

Could you try a different browser as a quick test?

Different browser does not work at all. How to resolve this issue in practice?

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