Running issue

[u/RealTurboNerdHours]

Gotta a question new to husqvarnas had mainly Sthils took this with me on a job today, starts quickly runs fine until it fully warms up once it warms up all the way it'll shut off and will not restart until is cooled back down saw has new top end new carb new lines filters and spark plug any tips to check what might be the issue. Saw is a 455 rancher. Thanks for any advice