400 - null An unexpected error has occurred. (Deployment Page)This error messages occurs in Copado versions 7 & under.
In order to resolve this issue, we encourage you to upgrade to the latest version available and enjoy all the new functionalities.
Install link: https://copado.com/install/
Copado has achieved great improvements in our new releases and has been equipped with new features for your release process. You can find the upgrade Instruction in our Release Notes section.