phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4d1ce60ab8c2fc273a9db9b8d402470e' 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 ('4d1ce60ab8c2fc273a9db9b8d402470e', -1, 1738128679, 1738128679, '12beefbd', -4, 0, 0)

Line : 187
File : sessions.php