I altered the "Application Type" and it can't be undone

[gparascandolo]

Hey @adam24, this appears to be as designed by Auth0. If you need to modify the Machine-to-Machine application to SPA or Regular Web App, you must use the Management API

This FAQ post explains more about this

Change Application Type from M2M to SPA or Regular Web App

Overview Applications set as Machine-to-Machine (M2M) occasionally require modification to a Single-Page Application (SPA) or a Regular web application type. This alteration is necessary when the application’s operational context changes or aligns with specific authentication flows. Cause Solution To transition an application from M2M to SPA or Regular web application type, one must utilize the Management API and update the application’s settings by sending a specifically structured payload. …