Unable to send iMessage game extension on simulator

I recently started building an iMessage game, and whenever I try to send the game through the first contact on the simulator to loop back into the second one, I get an alert saying "Unable to send. The recipient can not receive this item via satellite". Has anyone experienced this? If so, do you have a solution? It is making it a bit difficult to test the flow of my app.

I've had an iMessage app extension on the store since late 2019 (Touchgram).

I have never been able to Send in the simulator. Test on device.

It's a pain but iMessage extension dev is a fragile niche.

Also, welcome to a very small club of developers!

Touchgram uses SpriteKit so is very close to a game experience, more like a game construction kit.

Unable to send iMessage game extension on simulator
 
 
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