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 ('142620dbb09444f430f8fd3047d74ece', -1, 1787081124, 1787081124, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php