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 ('8ae7ed3a684bee5a5b117f2374730baf', -1, 1560963235, 1560963235, '36f219c6', 0, 0, 0)

Line : 189
File : sessions.php