あやま検出 けんしゅつ符号 ふごうじゃなかったです
ayamarikenshutsu fugōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 誤り検出符号

1. Wasn't an error detection code.; Wasn't a mistake detection code.

Past/Perfective
Negative
Polite
Casual Register
Computing