phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ffb8955f5a49fe040c9b5c9c319372db' 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 ('ffb8955f5a49fe040c9b5c9c319372db', -1, 1715319959, 1715319959, '0390478e', -8, 0, 0)

Line : 187
File : sessions.php