See below for solutions to some of the error messages you may encounter while using Core
"The FullGameHash field is required" error is typically the result of a large number of files in the project you are trying to upload or publish to the platform. To resolve this:
- Open your project in the Core Editor.
- Locate any unused templates in your Project Content and delete them (this is often the case when updating or recreating another project that has been opened for editing).
- Delete any of the unused templates in Project Content.
- Publish your game.