[14-Aug-2026 04:24:05 UTC] PHP Fatal error:  Uncaught mysqli_sql_exception: Unknown column 'is_read' in 'INSERT INTO' in /home/mainppg1/public_html/sistem/mainpp_workspace/api/letter_action.php:243
Stack trace:
#0 /home/mainppg1/public_html/sistem/mainpp_workspace/api/letter_action.php(243): mysqli_prepare()
#1 {main}
  thrown in /home/mainppg1/public_html/sistem/mainpp_workspace/api/letter_action.php on line 243
