I need to fetch layout info for work items. I'm familiar with the following API https://docs.microsoft.com/en-us/rest/api/azure/devops/processes/layout/get?view=azure-devops-rest-5.1 but I always get the same error back from it, reading "VS403115:You cannot modify form layout information for work item types ... in process ... as these work item types are locked."
While I understand what the error means, I'm just trying to READ the layout data, rather than modify it. I did double check that the request is a GET, and I tried different versions of the API (4.x, 5.x)