Copper Error: Server Error
When syncing your notes, Copper encountered a server error.
Problem / Symptoms
Sometimes your Copper credentials can become invalid. This error can occur for a wide range of reasons.
In the event of a Copper error, do the following to resolve:
Visit Account Options > Settings > Apps > Copper, click Disable Copper and then re-enable.
This will update your credentials and allow Hugo to request/send data to/from your Copper account.