@Paul Kieran Thanks for posting in our Q&A.
This error code is not recorded in our official article. It is suggested to check if this app is installed on the device.
Sometimes, despite an installation error on the Intune Portal, the app has been successfully installed on the device.
I couldn't repeat this issue because I don't have MacOS. Given this situation, it is suggested to create an online support ticket to find if there is more helpful information from the backend. Here is the support link:
https://learn.microsoft.com/en-us/mem/get-support
Hope everything goes well with you.
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