ID 440547 - A pure virtual function can sometimes be called from a destructor, causing a crash on exit

Problem summary
A pure virtual function can sometimes be called from a destructor, causing a crash on exit.

Customer reported version
Nuke Studio 12.1v2

Customer reported platform

Windows 10

Steps to reproduce

This issue may occur when closing the application.

Expected behaviour
Nuke Studio should close without crashing.

Actual behaviour
A pure virtual function can sometimes be called from a destructor, causing a crash on exit.

Workaround
Unknown.

Reproduced by support
This issue was identified by our engineering team.