If this happens during OSD, it is likely due to 2 settings in the BIOS.

I recommend

WIN7 -

Boot mode: Legacy
Sata mode: AHCI

Win10-

Boot mode: UEFI
Sata mode: AHCI

From the log:
The task sequence execution engine failed executing the action (Use Toolkit Package) in the group (Initialization) with the error code 2147942561
Action output: ... ursiveCreatePath(sPath.substr(0, nPos), psa), HRESULT=800700a1 (e:\nts_sccm_release\sms\framework\core\ccmcore\path.cpp,104)
RecursiveCreatePath(sPath.substr(0, nPos), psa), HRESULT=800700a1 (e:\nts_sccm_release\sms\framework\core\ccmcore\path.cpp,104)
RecursiveCreatePath( sNormalizedPath, psa ), HRESULT=800700a1 (e:\nts_sccm_release\sms\framework\core\ccmcore\path.cpp,159)
DownloadContentLocally (pszSource, sSourceDirectory, dwFlags, hUserToken, mapNetworkAccess), HRESULT=800700a1 (e:\nts_sccm_release\sms\framework\tscore\resolvesource.cpp,3582)
TS::Utility::ResolveSource (pszPkgID, sPath, 0, hUserToken, mapNetworkAccess), HRESULT=800700a1 (e:\nts_sccm_release\sms\client\osdeployment\installsoftware\runcommandline.cpp,399)
cmd.Execute(pszPkgID,sProgramName, dwCmdLineExitCode), HRESULT=800700a1 (e:\nts_sccm_release\sms\client\osdeployment\installsoftware\main.cpp,372)
Failed to resolve the source for SMS PKGID=PS10098B, hr=0x800700a1
Install Software failed to run command line, hr=0x800700a1. The operating system reported error 2147942561: The specified path is invalid.