phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a21b0a79ce3f3781275e1e542ea47d8d' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a21b0a79ce3f3781275e1e542ea47d8d', -1, 1715733347, 1715733347, '038d0cd1', -6, 0, 0)

Line : 187
File : sessions.php