phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6dfd47256397f2554a39f4dd3f2d0c63' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6dfd47256397f2554a39f4dd3f2d0c63', -1, 1715040245, 1715040245, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php