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 ('8a5a643b4172357d762e8b5a53338076', -1, 1721515591, 1721515591, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php