phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a8dfdb21014d83f994573e3ea4be05c0' 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 ('a8dfdb21014d83f994573e3ea4be05c0', -1, 1715361645, 1715361645, '12bc46ff', -4, 0, 0)

Line : 187
File : sessions.php