Microlife Z990524-0 WatchBP HOME Extra Large Cuff (32-52cm ) for use with HOME, HOME-AFIB, HOME-S, HOME-N

I attached it to my machine, it works once but after that I get an error message.

Recently ordered a replacement xl cuff for my home blood pressure unit. The connection does not fit and the adapter looks like someone has been chewing it (refer to photo).