What does 2 Chronicles 16:7 mean?

At that time, Hanani the prophet came to Asa and said, 'Because you relied on the king of Aram instead of God, you missed out on God’s help. The army of Aram has slipped through your fingers.' 2 Chronicles 16:7 - Modern Text Bible

(God sent a prophet to confront Asa, pointing out that by trusting a foreign king instead of God, Asa lost the chance for a bigger victory.)