Error in console when loading exampleFile_2_7.jar

Noticed a stack trace appearing in 2.10.1 (but not 2.9) when loading exampleFile_2_7.jar:
java.lang.IllegalArgumentException: Width (0) and height (0) must be > 0
at java.awt.image.SampleModel.<init>(SampleModel.java:126)
at java.awt.image.SinglePixelPackedSampleModel.<init>(SinglePixelPackedSampleModel.java:144)
at java.awt.image.SinglePixelPackedSampleModel.<init>(SinglePixelPackedSampleModel.java:110)
at org.jmol.awt.Image.allocateRgbImage(Image.java:220)
at org.jmol.awt.Platform.allocateRgbImage(Platform.java:116)
at org.jmol.g3d.Platform3D.allocateBuffers(Platform3D.java:103)
at org.jmol.g3d.Graphics3D.beginRendering(Graphics3D.java:376)
at org.jmol.viewer.Viewer.beginRendering(Viewer.java:3629)
at org.jmol.viewer.Viewer.getImage(Viewer.java:3612)
at org.jmol.viewer.Viewer.getScreenImageBuffer(Viewer.java:3693)
at org.jmol.viewer.Viewer.renderScreenImageStereo(Viewer.java:3517)
at org.jmol.viewer.Viewer.renderScreenImage(Viewer.java:3598)
at jalview.gui.AppJmol$RenderPanel.paintComponent(AppJmol.java:726)
...in the AWT repaint thread