Asana API Project Update Error "write_access_failure"

[Phil_Seeman]

You are almost certainly running into this recent breaking change that Asana made:

Introducing new access level in projects - “Editor”

Hi Asana Community! We’re excited to announce more granular permissions with the introduction of the editor access level in projects. Projects now have admin, editor, and commenter access levels that you can assign to collaborators by project. Individual user project permissions by access level are: Admins who typically lay the framework for projects. Editors who can add content to projects, such as adding tasks and messaging. They cannot make changes to the project’s architecture, such as d…