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 ('a9755190dbbc2aa7fb82f4fe795de027', -1, 1563420697, 1563420697, '035149e9', 39, 0, 0)

Line : 189
File : sessions.php