1 Chronicles 10:13

10:13 So Saul died for his trespass which he committed against Yahweh, because of the word of Yahweh, which he didn't keep; and also because he asked counsel of one who had a familiar spirit, to inquire [thereby],
-World English Bible

Other Translation

10:13 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];
-King James Version