phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '781d9ef9a55f3a129436b122a57f1a4a' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('781d9ef9a55f3a129436b122a57f1a4a', -1, 1715082513, 1715082513, 'c0a80201', 18, 0, 0)

Line : 187
File : sessions.php