Gradle Error When Creating Asset Packs For Android App

I have followed the steps here to create asset packs for an Android app, except that at step 8 I am receiving the following error: FAILURE: Build failed with an exception. * What

Solution 1:

I was going to delete this question, however I figured someone might make the same bone-head error as I did, which was to have the wrong folder name for one of the assets, i.e. I had installtime_asset_pack when it should have been installtime_assetpack