There Was An Unhandled Exception Trying | To Save Your Rom To Disk ((full))

: Ensure you have enough free space on your drive. For larger games like Pokémon Ultra Sun , you may need at least 6 GB of free space to process the file.

: Ensure you are using the latest stable release. If you are using a non-English ROM, some users have found success reverting to of the randomizer. Check ROM Region