ID 393560 - Nuke crashes on script clear when Node Panel is open and has a Table_Knob

Problem summary
Nuke crashes on script clear when Node Panel is open and has a Table_Knob.

Customer reported version
Nuke 11.3v2

Customer reported platform
Linux

Steps to reproduce

1) Open Nuke.

2) Create a Tracker node (or any other node with a Table Knob).

3) File > Clear (or File > Close).

4) Nuke should now crash.

Expected behaviour
Nuke should not crash on script clear.

Actual behaviour
Nuke crashes on script clear when Node Panel is open and has a Table_Knob.

Workaround
Unknown. 

Reproduced by support

This bug has been reproduced in:
Nuke 11.3v4 - Linux CentOS 7

Nuke 11.3v1 - Linux CentOS 7

Nuke 11.2v6 - Linux CentOS 7

Nuke 11.2v5 - Linux CentOS 7 - Regression

Unable to reproduce bug in:

Nuke 11.3v4 - Windows 10 - macOS 10.13 (High Sierra)
Nuke 11.2v4 - Linux CentOS 7

Earliest version tested
Nuke 11.2v4
- This issue no longer appears in this version and has regressed