有効 ゆうこうPP ぴいぴいDU でぃうゆうではありませんでした
yūkō piipii diuyūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 有効PPDU

1. Was not a valid PPDU.; Was not effective PPDU.

Past/Perfective
Negative
Polite
Formal Register
Computing