phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e432e5da2179955ba759f197a1767b56', -1, 1601360757, 1601360757, '12cf6a8e', 3, 0, 0)

Line : 187
File : sessions.php