phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a2c9087eb0417925f32693d5066bd865' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a2c9087eb0417925f32693d5066bd865', -1, 1637969142, 1637969142, '035c1c34', 0, 0, 0)

Line : 187
File : sessions.php