There are several permissions that need to be set correctly to allow you to create and save draw.io diagrams in Jira Cloud.
If you try to save a diagram and permissions are not set up correctly, you may see the following error message:
Error saving file. Insufficient access rights
Your Jira Cloud administrator should check and correct your permissions in your Jira Cloud instance.
To find out why a user has a problem saving or creating draw.io diagrams, use the permission helper.