Pix Is there a frame labeled “MISSING” displayed in the area that is not displayed? Or is it not displayed at all?
If the frame is displayed, click on it and check the image path of the attachment in the tree view:

Then, check whether the path and the actual image match.
If there is no frame labeled “MISSING,” it is possible that those images are not used in the skeleton but are only packed, so you can ignore them as long as there are no problems with the appearance of the skeleton.
As a side note, if you check the Missing images
option in the Find and Replace window, you can search for attachments with broken image references all at once:
