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 ('712cc1fad6e5c3a19ac9e22d80975360', -1, 1711651335, 1711651335, '54ccfc03', -4, 0, 0)

Line : 187
File : sessions.php