NET

3 They replied, “If you are going to send the ark of the God of Israel back, don’t send it away empty. Be sure to return it with a guilt offering. Then you will be healed, and you will understand why his hand has not been removed from you.”

Darby

3 And they said, If ye send away the ark of the God of Israel, send it not empty; ye must at any rate return him a trespass-offering: then ye shall be healed, and it shall be known to you why his hand is not removed from you.

KJV

3 And they said, If ye send away the ark of the God of Israel, send it not empty; but in any wise return him a trespass offering: then ye shall be healed, and it shall be known to you why his hand is not removed from you.