400 - null An unexpected error has occurred. (Deployment Page)This error messages occurs on Copado versions 7 & under.
In order to resolve this issue we invite you to update to last available version, and enjoy all the new functionalities.
Install link: https://www.copa.do/Install
Copado has achieved great improvements in our new releases and equipped it with new features for your release process. You can find the upgrade Instruction here: http://docs.copa.do/home/release-notes