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 ('e1fab79013f6f8e5c02995b79be3bed6', -1, 1573974609, 1573974609, '12cc30c7', -4, 0, 0)

Line : 187
File : sessions.php