Getting You are not authorized to take this action.
While trying to approve one request getting You are not authorized to take this action. What could be the possible reason. The user has given the required access. Mendix Studio Pro 8.12.1
Your entity access is not properly set.
So, the user who is logged in does not have the roles which is set at the entity level.
Post pictures for better response.
If it is Workflow User Task, add the User Role in the Allowed Roles (under security) for User Task