ID 490664 - Cryptomatte does not work with EXR files rendered from Houdini

Problem summary
Cryptomatte does not work with EXR files rendered from Houdini.

Customer reported version
Nuke 13.0v4

Customer reported platform
Windows 10

Steps to reproduce

1) Open Nuke.

2) Download the attached EXR file, and read it into the Node Graph.

3) Attach a Cryptomatte node downstream from the Read node.

RESULT: The Layer Selection dropdown is not populated, and nothing is displayed in the Viewer.

Expected behaviour
Nuke's Cryptomatte plug-in should work with EXR files rendered from Houdini.

Actual behaviour
When connecting a Cryptomatte node downstream from an EXR, which was rendered in Houdini, the Layer Selection dropdown is not populated and nothing is displayed in the Viewer.

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
Nuke 13.0v5 - Windows 10 - macOS 10.15 (Catalina) - Linux CentOS 7
Nuke 13.0v1 - Windows 10 - macOS 10.15 (Catalina) - Linux CentOS 7

Earliest version tested
Nuke 13.0v1
- This feature did not exist before this version