External tcr api failures

Dealing with TCR “Update required” since November. Yesterday agent told me to share my screen so we can fix together mistakes. By the time I needed to press finish button, I received “External tcr api failures". No clue what we changed to trigger that, and agent did not know either. Now I am going back and forth with ring and spectrum and no one know what is going on. Last call said to contact billing but it was impossible to get them on the call. And no idea why billing.  Anyone else had same issue with TCR