We have encountered an error while posting updates to Agoda YCS. 

Updates are not passing through and we are receiving an error saying, - "Authentication failed: The supplied authentication is invalid" from Agoda.

We have checked the details on our side and issue tends to be at Agoda's end. We raised the issue overnight and are working with Agoda to get the connection live again. 

Agoda should be managed via their extranet manually until the connection is back.