DEFINITIVE SOLUTION TO FIX PS5 Error Code CE-107880-4 (DLC, Add Ons)

I got this issue after upgrading from a 2 TB SSD to a 4 TB SSD.
The definitive solution is doing nothing. After about a day, the PS5 will reconfigure itself and be able to download games with DLCs or add-ons.

This video lets you know you don't need to do something.
So DON'T STRESS YOURSELF and wait 24 hours, and it will be fixed by itself.