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 ('0dda103d14a7914b9b571e8d4e3f6a2e', -1, 1737642270, 1737642270, '12de64c9', 9, 0, 0)

Line : 187
File : sessions.php