phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1acb1e65ea22f1731e76930d3ca1479' 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 ('a1acb1e65ea22f1731e76930d3ca1479', -1, 1715515381, 1715515381, '0391593c', -8, 0, 0)

Line : 187
File : sessions.php