What does Jeremiah 36:9 mean?

In the ninth month of Jehoiakim’s fifth year as king of Judah, all the people in Jerusalem and those who had come from the towns of Judah gathered for a special day of fasting before the Lord. Jeremiah 36:9 - Modern Text Bible

(This sets the scene: it’s a time of crisis, and people are coming together to seek God, hoping for help or forgiveness.)