phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3479d517541904d9ec78ad2358b0b41f' 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 ('3479d517541904d9ec78ad2358b0b41f', -1, 1753404704, 1753404704, 'd849d8fd', -9, 0, 0)

Line : 187
File : sessions.php