ID 407994 - Unable to open multiple instances of Nuke on OSX

Problem summary
Unable to open multiple instances of Nuke on OSX

Customer reported version
12.0v1

Customer reported platform
OSX 10.14 

Steps to reproduce

1) Open NukeX

2) Try to open Nuke Studio

result: Nuke Studio does not launch 

Expected behaviour
Multiple instances of Nuke should launch regardless of the OS used

Actual behaviour
Unable to open multiple instances of Nuke on OSX

Workaround
Create new terminal windows and use the following command: 

/Applications/Nuke12.0v1/Nuke12.0v1.app/Contents/MacOS/Nuke12.0v1

With the following flags according to the application: 

 --nukex
 --nukestudio

Reproduced by support

This bug has been reproduced in:

12.0v1 - OSX 10.14.6 Mojave - regression

Unable to reproduce bug in:

12.0v1 - Windows 10 

11.3v5 - Windows 10 - OSX 10.14v6 Mojave

Earliest version tested
11.3v5 - This issue doesn't appear in this version and has regressed