```unknown variant `ExportOldTableOfContentData`, expected one of `DiscardPreCsvIntGrid`, `ExportPreCsvIntGridFormat`, `IgnoreBackupSuggest`, `MultiWorlds`, `PrependIndexToLevelFileNames`, `UseMultilinesType` ```
unknown variant `ExportOldTableOfContentData`, expected one of `DiscardPreCsvIntGrid`, `ExportPreCsvIntGridFormat`, `IgnoreBackupSuggest`, `MultiWorlds`, `PrependIndexToLevelFileNames`, `UseMultilinesType`