Failed to create function: invalid parameter for function creation: Invalid AWS Lambda parameters used in this request

Astro 4.4.9 failing to deploy due to the following error message:

Deploy did not succeed with HTTP Error 400: [PUT /deploys/{deploy_id}/functions/{name}][400] uploadDeployFunction default  &{Code:400 Message:Failed to create function: invalid parameter for function creation: Invalid AWS Lambda parameters used in this request.}

Thank you!

What site are you seeing this deploy fail?