phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ab1f20e2f5bc80d967b0518a3fec0f37' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('ab1f20e2f5bc80d967b0518a3fec0f37', -1, 1758415134, 1758415134, 'd849d890', 0, 0, 0, '0')

Line : 187
File : sessions.php