2013 Mac Pro installer not finishing

Current OS is Monterrey and attempting to upgrade to Sonoma with a 32GB thumb drive. Downloaded the Sonoma installer and getting error message when attempting to load it on the thumb drive. Any ideas?

https://preview.redd.it/2xec6ol0ldie1.png?width=2560&format=png&auto=webp&s=232b0fd971cc3a9364677648e90e8914f6f38f79

https://preview.redd.it/xre8ur52ldie1.png?width=2560&format=png&auto=webp&s=47274082709c1e96d8c081977ed9452b603b5209

https://preview.redd.it/yxjbbn63ldie1.png?width=2560&format=png&auto=webp&s=b61aa6dd80a77d06fa4b1516431ea607eaef9d3d