If a "CB_NO02" error appears when you try to access a page, it is considered that you do not have permission to access the page. Ask a system administrator or the administrator of the app or space you are trying to access to check your permissions.

Example of the error:

For example, a "CB_NO02" error appears in the following cases:

• You tried to access a URL of a guest space you have not joined.
• You tried to access a record for which you do not have the view permission.
• A user without the "Manage app" permission for an app tried to access the URL of the app's setting screen.