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 ('8ca8f9a3f66ea5aa39cb5734a8f6260a', -1, 1751521866, 1751521866, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php