phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6e7a1ff22aaf6cf8f3c4e2d5fdab567b', -1, 1757239939, 1757239939, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php