Hey there kollins77,
We appreciate you letting us know. Just to confirm, were you able to try the steps listed under "Automatically forward texts to your other devices"? There's a step there that references this behavior, which we'll include below:
On your iPhone, go to Settings > Messages > Text Message Forwarding.
If you don't see Text Message Forwarding, go to Settings > Messages. Turn off iMessage, then turn it back on. Tap Send & Receive, tap Use Your Apple ID for iMessage, then sign in with the same Apple ID used on your other devices.
If those steps don't resolve it for you, reach out to Apple directly for additional assistance using: Get Support
Have a lovely day!