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 ('fcc660b2c3e84cfa4156beeeeb669e99', -1, 1560860170, 1560860170, '22eb8fbe', 42, 0, 0)

Line : 189
File : sessions.php