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 ('54c8029a59177c3c5f01c1b980d972db', -1, 1737619659, 1737619659, '12bfeac8', 6, 0, 0)

Line : 187
File : sessions.php