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 ('50abc74019abb1c1ec4e5300f68d2a14', -1, 1714152904, 1714152904, '54ccfc03', -9, 0, 0)

Line : 187
File : sessions.php