Because

2 Chronicles 19:2
Then Jehu son of Hanani the seer went out to confront him and said to King Jehoshaphat, "Do you help the wicked and love those who hate the LORD? Because of this, the wrath of the LORD is upon you.

Joshua 7:11, 12
Israel has sinned; they have transgressed My covenant that I commanded them, and they have taken some of what was devoted. Indeed, they have stolen and lied about it, and they have put these things with their own possessions. . . .

Proverbs 13:20
He who walks with the wise will become wise, but the companion of fools will be destroyed.

the Lord

2 Chronicles 16:9
For the eyes of the LORD roam throughout the earth to show Himself strong on behalf of those whose heart is fully devoted to Him. You have acted foolishly in this matter. From now on, therefore, you will be at war."

Proverbs 9:6
Leave your folly behind, and you will live; walk in the way of understanding."

Proverbs 13:20
He who walks with the wise will become wise, but the companion of fools will be destroyed.

Hebrews 12:6
For the Lord disciplines the one He loves, and He chastises everyone He receives as a son."

Revelation 3:19
Those I love, I rebuke and discipline. Therefore be earnest and repent.

And the ships

1 Kings 22:48
Jehoshaphat built ships of Tarshish to go to Ophir for gold, but they never set sail, because they were wrecked at Ezion-geber.

to Tarshish

2 Chronicles 9:21
For the king had the ships of Tarshish that went with Hiram' s servants, and once every three years the ships of Tarshish would arrive bearing gold, silver, ivory, apes, and peacocks.