can't link the two squares that separate the box and lid. tried multiple times and it doesn't want to work for me. after each linking attempt, we're supposed to cut the hole but i can't get it to affect both surfaces. missing something here
https://www.dropbox.com/scl/fi/7cptqidjxcaux59ad5tol/treasurechest.blend?rlkey=alkeuiksfy6kmv00pkycj1w92&dl=0