Can u re-implement the delete all sprites and delete all objects options? It gets annoying to delete everything manually

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An error shows up when I try to use the Hex Edit option.

"Unhanded exception has occurred in your application. If you click Continue, the application will ignore this error and attempt to continue. If you click Quit, the application will close immediately

Could not load file or assembly 'Be.Windows.Forms.HexBox,
Version=1.4.7.30483
PublicKeyToken=e0e5adf0ebc99863' or one of its dependencies. The systen cannot find the file specified

Help please
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