What does 2 Chronicles 33:19 mean?

His prayer and how God answered him, along with all his sins and how he turned away from God, plus the places where he built shrines and set up idols before he changed—these are all written in the records of the prophets. 2 Chronicles 33:19 - Modern Text Bible

(Manasseh’s story, including his mistakes and his repentance, is documented elsewhere for those who want the full picture.)