ID 463500 - Unable to open some Cinema DNG RAW files in Nuke

Problem summary
Unable to open some Cinema DNG RAW files in Nuke.

Customer reported version
nuke.12.2v4

Customer reported platform
11_big_sur

Steps to reproduce

1) In Nuke, add a Read node to import DNG RAW footage from a Sigma FP camera.

2) View any errors in Nuke.

Expected behavior
The DNG file should be imported and displayed in the Viewer.

Actual behavior
An error is given for the DNG RAW file as: " Read1: DNG SDK: Unable to open file."

Workaround
There is no available workaround at this time.

Reproduced by Support in:
Nuke 12.2v4 - Windows 10, macOS 10.14, CentOS 7

Nuke 12.2v1 - Windows 10

Nuke 12.0v1 - Windows 10

Nuke 11.0v1 - Windows 10

Nuke 10.0v1 - Windows 10

Nuke 9.0v1 - Windows 10, macOS 10.14, CentOS 7

Earliest version tested
Nuke 8.0v7 - This feature did not exist before this version