phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '257545087fdc9d4c37ed44427a3c3338' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('257545087fdc9d4c37ed44427a3c3338', -1, 1758059044, 1758059044, 'd849d822', -4, 0, 0)

Line : 187
File : sessions.php