Undo does not work anymore in Gradle Build Script Editor in Eclipse 2022-09

[MahatmaFatalError]

Expected Behavior

1. Open a .gradle file in Gradle Build Script Editor.
2. Edit the file and save.
3. Undo the change via cmd+z or Edit > undo

Current Behavior

Nothing happens. Change gets not undone.

Context

Steps to Reproduce

Can't reproduce it in a dummy project, only in a full-blown project.

Your Environment

MacOS 12.6 Spring Tool Suite 4 Version: 4.16.0.RELEASE Build Id: 202209151144 Gradle 7.4.2 No entries in the Eclipse Error Log