All the dimensions matter, if you don’t get the posts right, it won’t hold to the board well and you’ll be back here, possibly with worse problems.
If the pins aren’t right, you just won’t have anything. See if you can find a part number or manufacturer marking anywhere on the connector, as it would narrow your search down plenty.
Hangup? Klingons are like butterflies, in the past, they were caterpillars, preparing for their metamorphosis, and emerged from the cocoon as the Klingons of today.
Yelp, make it understood that you’re not having fun. Sounds like a distressed puppy for a any time it happens. Oddly, that worked with my dog for her jumping on me, but not for everyone. It’s… Frustrating. She knows that’s not how I play, but others in my family not so much.
Edit: I’m not a trainer, you might want to get a session or two with someone who is highly rated, to get their input.