So Saul died for his unfaithfulness to the LORD, because he did not keep the word of the LORD and even consulted a medium for guidance,
KJV
So Saul died for his transgression which he committed against the LORD, [even] against the word of the LORD, which he kept not, and also for asking [counsel] of [one that had] a familiar spirit, to inquire [of it];
ASV
So Saul died for his trespass which he committed against Jehovah, because of the word of Jehovah, which he kept not; and also for that he asked counsel of one that had a familiar spirit, to inquire thereby,