ID 483350 - Nuke crashes when loading unknown file types after loading a .mov file

Customer reported version
nuke.12.2v1

Customer reported platform
centos7

Steps to reproduce
1) In Nuke, read in any .mov file.
2) Read in an unsupported file type (eg. ".txt" text file) 

Expected behavior
Nuke should remain stable and present an error for an unknown file type being read in.

Actual behavior
Nuke crashes when reading in an unrecognized/unsupported file type after reading in a .mov file.

Workaround
There is no available workaround at this time.

Reproduced by Support in:
Nuke 13.0v3 - Windows 10, CentOS 7
Nuke 13.0v1 - Windows 10
Nuke 12.2v7 - Windows 10
Nuke 12.2v1 - Windows 10, CentOS 7

Unable to reproduce bug in:
12.1v5 - Windows 10, CentOS 7

Earliest version tested
Nuke 12.1v5 - This issue doesn't appear in this version and has regressed