変更 へんこう可能 かのうではありませんでした
henkōkano udewa arimasendeshita

Noun
Desu Copula
na-Adjective

The polite, past negative form of 変更可能

1. Was not changeable.; Was not possible to change.; Could not be changed.

Past/Perfective
Negative
Polite
Formal Register
Computing