Copy/Move the package file which belongs to the venue from the DCBackup folder to the library folder.If they are missing as well, you need to reinstall the world/lot without moving the DCCache/ DCBackup around. This Method only works for the lot, not the items. The items that come with the lot usually get installed correctly the first time. Move the DCCache and DCBackup folder you have previously saved to the desktop back to the.Delete the newly made folders DCCache and DCBackup from the documents folder.Go to the folder library and find the newest file in there.
Move the folders \DCCache