It sounds like you're encountering an error message from an emulator or ROM management tool. The phrase "there was an unhandled exception trying to save your ROM to disk — complete paper" is unusual, particularly the words — that may be a typo, mis-translation, or reference to a specific software's logging system.
It sounds like you're encountering an error message from an emulator or ROM management tool. The phrase "there was an unhandled exception trying to save your ROM to disk — complete paper" is unusual, particularly the words — that may be a typo, mis-translation, or reference to a specific software's logging system.
