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 ('6f035f3e4a7023c2f04a960ad6dcdfab', -1, 1737559002, 1737559002, '12e25e40', 8, 0, 0)

Line : 187
File : sessions.php