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 ('0c3cf43c85f7b7ffea4eb0ce691e8c86', -1, 1711712229, 1711712229, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php