OpenCore installation error

<a class='btn btn-link py-0' href='/p/opencore.html?id' target='_blank'>OpenCore</a> installation error

Please what is wrong with my installation medium? i allways freeze at this point

https://preview.redd.it/0ats270qcyd51.jpg?width=2048&format=pjpg&auto=webp&s=afeb65e7a32aac654bb16b035cd3043ebed5a6e9

Author: @dudlajda