Deut.23.22

But if you don't make a vow in the first place, there's no sin.

Deut.23.22

But if you refrain from making a vow, you will not be guilty.

Deut.23.22

But if you abstain from vowing, it shall not be sin to you.

Deut.23.22

However, it is not a sin to refrain from making a vow.