Berean Study Bible
and this is the account of his rebellion against the king. Solomon had built the supporting terraces and repaired the gap in the wall of the city of his father David.

King James Bible
And this was the cause that he lifted up his hand against the king: Solomon built Millo, and repaired the breaches of the city of David his father.

American Standard Version
And this was the reason why he lifted up his hand against the king: Solomon built Millo, and repaired the breach of the city of David his father.

Darby Bible Translation
And this was the cause that he lifted up his hand against the king: Solomon was building Millo, and closing the breach of the city of David his father;

Douay-Rheims Bible
And this is the cause of his rebellion against him, for Solomon built Mello, and filled up the breach of the city of David his father.

English Revised Version
And this was the cause that he lifted up his hand against the king: Solomon built Millo, and repaired the breach of the city of David his father.

Young's Literal Translation
and this is the thing for which he lifted up a hand against the king: Solomon built Millo -- he shut up the breach of the city of David his father,