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 ('591ebc485f11bb091149213db7093b17', -1, 1752879276, 1752879276, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php