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 ('4e849d538c1a5f94f8e19f65134a10af', -1, 1737484915, 1737484915, '030c970b', -9, 0, 0)

Line : 187
File : sessions.php