15 So the king did not listen to the people, for this turn of events was from the LORD, to fulfill the word the LORD had spoken to Jeroboam son of Nebat through Ahijah the Shilonite.

Read 1 Kings 12:15 Using Other Translations

Wherefore the king hearkened not unto the people; for the cause was from the LORD, that he might perform his saying, which the LORD spake by Ahijah the Shilonite unto Jeroboam the son of Nebat.
So the king did not listen to the people, for it was a turn of affairs brought about by the LORD that he might fulfill his word, which the LORD spoke by Ahijah the Shilonite to Jeroboam the son of Nebat.
So the king paid no attention to the people. This turn of events was the will of the LORD, for it fulfilled the LORD ’s message to Jeroboam son of Nebat through the prophet Ahijah from Shiloh.