Contradiction with 1 Kings 3:5
This verse mentions Solomon receiving wisdom from God in a dream, where Samuel in 1 Samuel 9:25 doesn't indicate wisdom from dreams.
1 Kings 3:5: In Gibeon the LORD appeared to Solomon in a dream by night: and God said, Ask what I shall give thee.
Contradiction with Jeremiah 23:28
This verse implies that true prophets share God's dream messages, contradicting no dreams mentioned in 1 Samuel 9:25.
Jeremiah 23:28: The prophet that hath a dream, let him tell a dream; and he that hath my word, let him speak my word faithfully. What [is] the chaff to the wheat? saith the LORD. [that hath a dream: Heb. with whom is, etc]
Contradiction with Joel 2:28
This prophecy of dreams and visions being common in the last days differs as there's no such mention in 1 Samuel 9:25.
Joel 2:28: And it shall come to pass afterward, [that] I will pour out my spirit upon all flesh; and your sons and your daughters shall prophesy, your old men shall dream dreams, your young men shall see visions: