error when exporting

[luRaichu]

doNextTimeline: 0 file:///MAC%20OS%20X/Users/BTTRG/Downloads/Arcade%20Showdown%20V1.2/bin/flas/idle/0.svg getShape: (Timeline Scene 1, Layer Layer 9, Frame 0, EditPath 0) Error: 'moveSelectionBy' requires a selection.

[spanakorizo]

also same error on MAC with animate 21.0.2, this error only if you apply a mask. Also i do not know how to embed images in base64 , everytime i do have to change the href url to the base64 that i encode online.