phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f21c9cb5ed47f0e7e493451a71d60fea' 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 ('f21c9cb5ed47f0e7e493451a71d60fea', -1, 1715311446, 1715311446, '12df7711', -4, 0, 0)

Line : 187
File : sessions.php