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 ('9db4b96ffc9c0c2c4a65b44553750e52', -1, 1553301406, 1553301406, '34c91bd3', 19, 0, 0)

Line : 189
File : sessions.php