Deuteronomy 23 22
If you don't make such promises then you won't be guilty of sin.
Compare with other 3 random translations
NKJ Deuteronomy 23:22But if you abstain from vowing, it shall not be sin to you.
LSV Deuteronomy 23:22And when you refrain to vow, it is not sin in you.
AMP Deuteronomy 23:22But if you refrain from making a vow, that would not be [counted as] sin in you.