ID 414182 - The application force closes without a crash report when scrubbing or caching the timeline with specific files in Nuke Studio/Hiero

Problem summary
The application force closes without a crash report when scrubbing or caching the timeline with specific files in Nuke Studio/Hiero.

Customer reported version
nuke.12.0v2

Customer reported platform
10.13

Steps to reproduce

1) In Nuke Studio/Hiero, import the attached file.

2) Double-click the Sequence to make it active.

3) Scrub the timeline and observe performance of the application.

4) If the application remains stable during timeline scrubbing, cache the timeline and observe performance.

Expected behavior

The application should continue to function without closing.

Actual behavior
The application force closes without error reporting during timeline scrubbing or caching. This was found on macOS but has also occurred on Windows 10 during testing. On macOS, the terminal outputs an error of: 

Hiero encountered a fatal error.  This is most likely due to an unhandled exception.
Abort trap: 6

Workaround
There is no available workaround at this time.

Reproduced by Support in:
NukeStudio/Hiero 12.0v2 - Windows 10

NukeStudio/Hiero 12.0v1 - Windows 10

Nuke Studio/Hiero 11.3v5 - Windows 10

Nuke Studio/Hiero 11.3v1 - Windows 10

Nuke Studio/Hiero 11.2v1 - Windows 10

Nuke Studio/Hiero 11.1v1 - Windows 10

Nuke Studio/Hiero 11.0v1 - Windows 10

Nuke Studio/Hiero 10.5v1 - Windows 10

Nuke Studio/Hiero 10.0v1 - Windows 10

Nuke Studio/Hiero 9.0v9 - Windows 10

Nuke Studio/Hiero 9.0v1 - Windows 10

Earliest version tested
NukeStudio/Hiero 9.0v1- This issue appears to be in all versions of the product