phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9f4fb0459cdf53953917da3c1758a5dd' 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 ('9f4fb0459cdf53953917da3c1758a5dd', -1, 1760525181, 1760525181, 'd849d880', 16, 0, 0)

Line : 187
File : sessions.php