phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f921490c17f30d5f9b09530a26de5669' 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 ('f921490c17f30d5f9b09530a26de5669', -1, 1744178444, 1744178444, '12765f4a', -9, 0, 0)

Line : 187
File : sessions.php