phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1f71645730f6673f2af2279964659207' for key 'PRIMARY'

INSERT INTO sgf_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1f71645730f6673f2af2279964659207', -1, 1552929746, 1552929746, '36f27337', 4, 0, 0)

Line : 187
File : sessions.php