Hi Carlos,
Welcome to Box Community and glad to assist!
It shows that you have a designated team that works with Box Premier Services.
For immediate assistance, you should contact your internal helpdesk team.
Thanks for posting!
I have the same issue I am able to share with other external and was able to share with this external vendor in the past but new emails get this error
Invitations could not be sent to the following people because
Se collaboration is restricted to their enterprise's collaboration
allowed list:
