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I have two contact emails I sent invites to for specific BOX folders for a project. They both received "SIGN ON ERROR" with the following message: Single sign-on authentication was unsuccessful (reference #YXHIDHCR). Wondering if it's an issue with their email address as their status within BOX is "Pending Permissions". Would be firewall related?

Hi Michael,


Welcome to Box Community and glad to help! 


We've created a new case and a member of our team will contact you through email, please keep an eye out. 


Thanks for posting! 


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