Cause: The dump is incomplete or encrypted.
Solution: Re-dump the game using MaiDumpTool with full decryption. Ensure you also copy the sce_module folder (contains kernel modules).
A: Yes! Find your savedata folder on your hacked Vita (ux0:/user/00/savedata/[TitleID]/). Copy it to Vita3K’s ux0:/user/00/savedata/ on your PC.