phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9b0d648c0a4a54b47755918e2a19edd' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f9b0d648c0a4a54b47755918e2a19edd', -1, 1714348938, 1714348938, '12bfc36e', 15, 0, 0)

Line : 187
File : sessions.php