ID 585424 - Scrubbing the timeline causes crashes with the customer's specific file.

Problem summary
Scrubbing the timeline causes crashes with the customer's specific file.
 
Customer reported version
Modo 17.0v8
 
Customer reported platform
macOS 14 Sonoma
 
Steps to reproduce
 
1) Load the specific consolidated scene file. This requires the MDD files.

2) Open the timeline and scrub across it.
 
Expected behaviour
Modo should not crash.
 
Actual behaviour
Modo crashes.
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Modo 17.0v8 - macOS Monterey
Modo 17.0v1 - macOS Monterey - REGRESSION
 
Unable to reproduce bug in:
Modo 17.0v8 - Linux Rocky 9 - Windows 11
Modo 16.1v8 - macOS Monterey
 
Earliest version tested
Modo 16.1v8 - This issue doesn't appear in this version and has regressed