どうということはない

Meanings

nothing special; no big deal; doesn't matter

usually written using kana alone

Used to downplay something, indicating it is not important, not a problem, or not worth worrying about. Often used in negative contexts or to reassure someone.

See also: どうということもない

この程てい度どのミスはどうということはない。
A mistake of this level is no big deal.
彼かれが来こなくてもどうということはない。
It doesn't matter if he doesn't come.