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 ('7e8151543a76e1f7368d31693cb5e520', -1, 1563573527, 1563573527, '12d16807', 39, 0, 0)

Line : 189
File : sessions.php