phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '21c7d8ecf1be8d314823daadb948b422' for key 'PRIMARY'

INSERT INTO sub_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('21c7d8ecf1be8d314823daadb948b422', -1, 1715872969, 1715872969, '127591ad', -4, 0, 0)

Line : 187
File : sessions.php