If an error occurs when you are using Umbraco Cloud there are several places that can take place and a lot of possible reasons for it.

Umbraco Cloud Portal

Errors that are occurring on the Umbraco Cloud Portal level

Collision errors

Find out what are collision errors and how to fix them. 

Umbraco Backoffice

Let's have a look at the most common errors in the backoffice while running a site on Umbraco Cloud. 

Schema mismatch

When transferring or restoring content between two Umbraco Cloud environments, you might run into Schema mismatch errors. In these videos, you can learn how to resolve schema mismatch issues, and how you can avoid them in the future.