phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '00256954c4c8a5887b873fe41e443db1' 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 ('00256954c4c8a5887b873fe41e443db1', -1, 1775685347, 1775685347, 'd849d820', -10, 0, 0)

Line : 187
File : sessions.php