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 ('d5f2a6b4ac8e78f6ef516d1a747b33cb', -1, 1752888078, 1752888078, '54ccfc03', -10, 0, 0)

Line : 187
File : sessions.php