Thank you all for your help! I extracted both the Sys-Patch and Sys-Patch 1.5.1 (Both together on the current release of sys-patch on the linked Russian website) to the Root of the SD Card and now was able to install the XCI file using Awoo...
It sounds like the patched fusee would work for your setup to fix things. But if you want to try using sys-patch instead of sigpatches and a modded fusee, grab sys-patch 1.5.1 from here rather than the link Snomannen_kalle provided, as that one...
You only need the contents of the syspatchnx.7z zip folder (from the download link at the top of the page, at least on my phone) on the SD card, no changes in the config required as far as I am aware
I had a similar problem as you where after updating the firmware, atmosphere, sigpatches, and Hekate caused a lot of my previously installed games to not work anymore, while others did. I tried reinstalling some of them to no avail, both...
Caller -"Everytime I start a Pc game on my S24, playing on a external monitor, someone calls or texts me, n it kicks me out of the game." Customer Support - Click (hangs up)
I found it funny cause many many years ago, had a roommate in college that did this same dumbass branding of the school logo, but it didn't look anything like it after it healed. Just looked like a birthmark.