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 ('2217f6d7b96d819195af19741e2135c8', -1, 1711659972, 1711659972, '54ccfc03', -1, 0, 0)

Line : 187
File : sessions.php