Vita3k Zrif Key
: PS Vita games are encrypted, and to play them on an emulator, you might need specific keys to decrypt them. These keys are usually derived from the PS Vita's firmware.
zRIF keys are unique to each game and region (e.g., a US key will not work for a European version of the same game). Vita3K - General Guide - RetroDECK Wiki vita3k zrif key
The game PKG you are using does not match the key you entered. Make sure the region matches (e.g., US, EU, JP). Invalid Keys: : PS Vita games are encrypted, and to
