ID 532382 - Using a Read node on a Deep EXR errors if the rgba channel names are not named r,g,b,a

Problem summary
Using a Read node on a Deep EXR errors if the rgba channel names are not named r,g,b,a.
 
Customer reported version
Nuke 14.0v1
 
Customer reported platform
CentOS 7
 
Steps to reproduce
 
1. Open Nuke then create a Read node and load the Deep EXR render.
 
Expected behaviour
The Read node recognises the red, green, blue and alpha channels in the Deep EXR and displays the image.
 
Actual behaviour
The Read node errors out with the following error message displayed: "Deep data provided to CompositeDeepScanline is missing an alpha channel"
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Nuke 14.0v1 - Windows 10, CentOS 7
Nuke 12.0v1 - Windows 10, CentOS 7
Nuke 10.0v1 - Windows 10, CentOS 7
 
Earliest version tested
Nuke 10.0v1 - This issue appears to be in all tested versions of the product.