Hello
When i will sell mi btc i have a "occured error" message, i'm the only one...
Regarding the coinbase status where you can find here
https://status.coinbase.com/, November 14 don't have any issues faced "No incidents reported." Maybe it's only you experiencing this problem, or maybe you can wait for some users who did experience this also.
So can you share us more here about the issue regarding your sell order on coinbase?