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 ('8eeb835361659ebd3a7ea9c4ae15ae5b', -1, 1737563629, 1737563629, '1276bab9', 6, 0, 0)

Line : 187
File : sessions.php