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 ('e2afb498bed0a1b724d9820a230a83a2', -1, 1715195888, 1715195888, '54ccfc03', 2, 0, 0)

Line : 187
File : sessions.php