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 ('067b9dd0c1b5dd47588c70d3e891cd71', -1, 1737635952, 1737635952, '0d3b44a7', 64, 0, 0)

Line : 187
File : sessions.php