in src/Microsoft.NuGet.Build.Tasks/ResolveNuGetPackageAssets.cs [784:795]
private void ThrowExceptionIfNotAllowingFallback(string resourceName, params string[] messageArgs)
{
if (!AllowFallbackOnTargetSelection)
{
throw new ExceptionFromResource(resourceName, messageArgs);
}
else
{
// We are allowing fallback, so we'll still give a warning but allow us to continue
Log.LogWarningFromResources(resourceName, messageArgs);
}
}