変へん更こう不ふ能のう

noun, noun which may take the genitive case particle 'no'

unchangeable; immutable; cannot be changed

Used for settings, rules, data, or conditions that are fixed and cannot be altered. Often appears in technical or formal contexts.

• この設せっ定ていは変へん更こう不ふ能のうです。

  This setting cannot be changed.

• 変へん更こう不ふ能のうなデータはバックアップから復ふく元げんしてください。

  Please restore the unchangeable data from the backup.