Why can't I send iMessage from my MacBook Air 2025 after updating to the latest Apple Update?

Greetings,

I can't send iMessage from MBA 2025 since updated to current Apple Update.. iPad and iphone is ok,but not my MBA everything in settings on iPhone is forward to 2 devices iPad and Mac.

Any resolution,and this is not the first time this as happened

Cheers,

Marko~

[Re-Titled By Moderator]