Not been pre-compiled in .Net Framework 4.7

Scenario：
Website Hosted  In  windows server 2016   using  .Net  4.7


Symptoms：
When Web run a period.. masterpage.master or  some page missing,
then  *.dll.delete file is generated  In ASP.NET dynamic compilation path
(Temporary ASP.NET Files\..\assembly\...)

"*.dll.delete" file that prevents web applications from running

Mitigate：
when occurring ,change web.config  tempDirectory path to new path

Solution：

upgrade Web Server  .Net Framework  to  4.8 (not target framework of project  )

ref：

https://techcommunity.microsoft.com/t5/iis-support-blog/web-app-down-if-there-is-a-private-bytes-limit-of-the-app-pool/ba-p/303728

https://techcommunity.microsoft.com/t5/iis-support-blog/the-file-has-not-been-pre-compiled-error-and-solution/ba-p/945340

https://github.com/microsoft/dotnet/blob/master/releases/net48/dotnet48-changes.md