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) VALUES ('01523b7371adf0620fd237496e4ba72d', -1, 1586168853, 1586168853, '0353bcfe', 21, 0)

Line : 158
File : sessions.php