phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b9f414897b7778420a8d7f1a40fece4d' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b9f414897b7778420a8d7f1a40fece4d', -1, 1715670517, 1715670517, '12761cc5', -1, 0, 0)

Line : 187
File : sessions.php