phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a15dd4172d54dd07bce4a4081fa7168b' 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 ('a15dd4172d54dd07bce4a4081fa7168b', -1, 1714809786, 1714809786, '12dac4b6', -8, 0, 0)

Line : 187
File : sessions.php