[file_sys] added log for newer keys needed error (#4519)

- [x] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [x] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [x] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

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One log line which could have spared me from a lot of trouble.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4519
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: Shinmegumi <shinmegumi@eden-emu.dev>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/core/file_sys/content_archive.cpp b/src/core/file_sys/content_archive.cpp
index b47b9437d0..1ba7bd3de3 100644
--- a/src/core/file_sys/content_archive.cpp
+++ b/src/core/file_sys/content_archive.cpp
@@ -45,6 +45,7 @@ NCA::NCA(VirtualFile file_, const NCA* base_nca, bool allow_missing_base)
     // Ensure we have the proper key area keys to continue.
     const u8 master_key_id = MasterKeyIdForKeyGeneration(reader->GetKeyGeneration());
     if (!keys.HasKey(Core::Crypto::S128KeyType::KeyArea, master_key_id, reader->GetKeyIndex())) {
+        LOG_ERROR(Loader, "Cannot decrypt {}: keys for gen 0x{:02X}+ required.", file->GetName(), reader->GetKeyGeneration());
         status = Loader::ResultStatus::ErrorMissingKeyAreaKey;
         return;
     }