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 ('c7690eb0bbf072b0aa5563b6b87b2a3f', -1, 1711643903, 1711643903, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php