ID 317867 - Texture Transfer fails if attempting to transfer channels between objects that have at least one empty UDIM tile

Problem summary
Texture Transfer fails if attempting to transfer channels between objects that have at least one empty UDIM tile

Customer reported version
3.3v1
Customer reported platform
n/a
Steps to reproduce

1) Open the affected archive  (both objects have different UDIMs and contain at least one UDIM tile that is empty)

2) Attempt to transfer channel 'dif' between objects using Channels > Transfer

3) Mari will return the following error

Workaround
Unknown. 

Reproduced by support
This bug has been reproduced in:
Mari 3.3v1
Mari 3.2v1
Windows 10, Windows 7

Earliest Version tested
Mari 3.2v1
Issue will likely present in all versions at least as far back as 2.6v5 but cannot currently be checked back further due to limitations of hardware.
Expected behaviour
Mari should be able to handle the texture transfer regardless of whether or not there are empty UDIMs.

Actual behaviour
Mari returns the above error and texture transfer fails.