ID 458032 - Black frames are rendered when using the CaraVR C_ColourMatcher node.

Problem summary
Black frames are rendered when using the CaraVR C_ColourMatcher node.

Customer reported version
caravr.2.1v5

Customer reported platform
windows10

Steps to reproduce

1) In NukeX, read in footage (see data in attachment).

2) Add a C_CameraSolver node and attach all the cameras (aka Read nodes).

3) Click Match, then Solve on C_CameraSolver.

4) Add a C_ColourMatcher node, click Analyse.

5) View the output for each camera (when connecting the viewer to C_ColourMatcher).

Expected behavior
The render should display the complete image and not show black.

Actual behavior
A black frame is rendered with no information.

Workaround
From the C_ColourMatcher node, Create>Grade (split), then change the blend mode in the C_Stitcher node to Spherical Multi-Band, to help with the edges.

Reproduced by Support in:

NukeX 12.2v3 - Windows 10

NukeX 12.2v1 - Windows 10

Unable to reproduce bug in:
NukeX 12.1v6 - Windows 10

Earliest version tested
Nuke 12.1v1- This issue doesn't appear in this version and has regressed