noun
invalid key condition
Computing term for a state where a key (e.g., database key, encryption key) is not valid or does not meet required criteria.
無効キー条件が発生したため、データベースへのアクセスが拒否されました。
Access to the database was denied because an invalid key condition occurred.
Compound of 無効 (invalid) + キー (key) + 条件 (condition). A technical term likely coined in computing contexts.