We have MANY sheets to transfer. This is as a result of our company domain changed (hii-tsd.com to hii.com). So we transferred ownership to 3 people (myself included) on the Portal Team, who manage the Smartsheet files. I had a co-worker on the portal ACCEPT the email that was sent to the shared mailbox, and then the invalid message appeared.
ALL our files were owned by the shared mailbox before we had to change domains, but now we cannot change them back. We were working with a sing test file before we attempted to transfer everything.
Did I miss something in the process??? Thanks in advance for all your help!!!