- Could not locate source for .Net Framework 3.5.1

[adilahmedSP]

Hi, I am installing SharePoint 2019 on Windows Server 2019 and downloaded latest version of AUTOSPINSTALLER when i run batch file it was stopped at below stage

• Installing Prerequisite Software:
  • Could not locate source for .Net Framework 3.5.1
  • The PrerequisiteInstaller will attempt to download it.
  • Running Prerequisite Installer (offline mode)....

  • Error: This command cannot be run due to the error: The system cannot find the file specified.

  • Script halted!
  • An unknown error occurred installing prerequisites Press any key to exit...

[brianlala]

Did you populate the source?

\SP\2019\SharePoint\prerequisiteinstallerfiles\sxs