phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a9f57c12d98b19b433f170d5f348f9a8' 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 ('a9f57c12d98b19b433f170d5f348f9a8', -1, 1714270180, 1714270180, '127598fb', -2, 0, 0)

Line : 187
File : sessions.php