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 ('4f92f1cc4cc01242da54bd6ea151b4ea', -1, 1568935944, 1568935944, '22ccb0bd', 37, 0, 0)

Line : 189
File : sessions.php