phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c21e20cd833d43772c8980371d1f8da7' 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) VALUES ('c21e20cd833d43772c8980371d1f8da7', -1, 1714720710, 1714720710, '12df728e', -1, 0, 0)

Line : 187
File : sessions.php