Sound Data Editor causes crashes and more

Since updating the Editor, attempting to create duplicate Sound entries will yield no result. Attempting to add new sound entries will crash the editor (Unexpected Fatal Error).

This bug doesn’t happen when creating a new map and trying the same actions, only when opening maps from pre-update.

Furthermore, several Sounds from older maps have gone missing after the update.

I get this error for all the missing sounds

" XML: GameData\SoundData.xml(9295,5) : Unable to find symbol "

Windows 10.

I tried to repeat the same actions on the same maps on a Mac computer, and I got the same exact results.

I can edit default sounds to match the missing sounds (thereby allowing me to add the missing sounds in someway), but any attempt to modify the names or prefixes of sounds I added to the game will make them disappear.

If there are many actors in the map, that problem arises.