Hi,
I tried to find a similar request among the existing discussions, but I haven’t been able to locate this exact situation yet.
(Newbie here, so please don’t judge too harshly!)
At the moment, updates for basic apps from the App Store are failing to install, resulting in:

(Emptying the list would result in recurring errors)
So far, I haven’t noticed any correlation between macOS versions (ranging from 14.7.2 to 15.6.1) or hardware (M1 to M4 Pro), since updates have stopped installing for everyone.
From the installation logs, it looks like this (screenshot attached).

Would anyone be able to suggest what might be causing this issue and how it could be resolved?