phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '48479b6f521b72f9c6f1fbb60bfbd48a' 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 ('48479b6f521b72f9c6f1fbb60bfbd48a', -1, 1765820407, 1765820407, 'd849d868', 1, 0, 0)

Line : 187
File : sessions.php