Network Link Conditioner doesn't work on Catalina

Good day,
A developper of ours accidently updated to Catalina. They need Network Link Conditioner to do some tests, however, the latest verion doesn't seem to work. It installed but gives the error "Could not load Network Link Conditioner preference pane."
Any ways to make it work or we're stuck on waiting for an update or wiping and reinstalling Mojave?
Thanks

I recently installed NLC on Catalina no issue.


Additional_Tools_for_Xcode_11.dmg

Network Link Conditioner doesn't work on Catalina
 
 
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