There Was An Unhandled Exception Trying To Save Your Rom To Disk

This error most commonly occurs when using the Universal Pokemon Randomizer (or its ZX variant) while attempting to save a modified ROM. It typically indicates a conflict with the file location, the ROM itself, or system permissions. Common Solutions

Sometimes your computer literally won't let the software write the new file. This error most commonly occurs when using the

On Android Emulators (e.g., PPSSPP, AetherSX2)

This error is rare on Android, but if it appears: How to fix: Close all other programs

Verify Storage: Ensure there is at least 100MB of free space. : Manually entering a seed or config string

Check Disk Space: Ensure you have enough free space on the drive where you are saving the ROM. Large files like Ultra Sun/Moon may require at least 6 GB of free space to process.

• How to fix: Close all other programs. Reboot your PC to ensure no background process has a handle on your ROM.

: Manually entering a seed or config string that is incompatible with the specific version of your ROM can cause a logic crash. Common Solutions Save as a New File