phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a8473d31d5e4bc0aef5f0b3a96df2dc5' for key 'sgf_sessions.PRIMARY'

INSERT INTO sgf_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a8473d31d5e4bc0aef5f0b3a96df2dc5', -1, 1656305694, 1656305694, '2cc02f57', -9, 0, 0)

Line : 186
File : sessions.php