I get this error message, what do I do?
1.55.2:1da4545ceebc9f54da95b5d31c1a3b3acf9f4798
haven.Defer$DeferredException: java.lang.RuntimeException: Invalid image data in gfx/kritter/horse/mare
at haven.Defer$Future.get(Defer.java:180)
at haven.TexL.fill(TexL.java:126)
at haven.TexR$Real.fill(TexR.java:144)
at haven.TexGL.create(TexGL.java:284)
at haven.TexGL.glid(TexGL.java:333)
at haven.TexGL$TexDraw.applyfrom(TexGL.java:146)
at haven.GLState$Applier.apply(GLState.java:628)
at haven.GOut.apply(GOut.java:272)
at haven.FastMesh.cdraw(FastMesh.java:318)
at haven.MorphedMesh.cdraw(MorphedMesh.java:65)
at haven.FastMesh.draw(FastMesh.java:363)
at haven.Composited$Model$Layer.draw(Composited.java:166)
at haven.RenderList.render(RenderList.java:430)
at haven.RenderList.render(RenderList.java:493)
at haven.PView.draw(PView.java:261)
at haven.MapView.draw(MapView.java:1421)
at haven.Widget.draw(Widget.java:677)
at haven.Widget.draw(Widget.java:682)
at haven.GameUI.draw(GameUI.java:647)
at haven.Widget.draw(Widget.java:677)
at haven.Widget.draw(Widget.java:682)
at haven.RootWidget.draw(RootWidget.java:67)
at haven.UI.draw(UI.java:137)
at haven.HavenPanel.rootdraw(HavenPanel.java:333)
at haven.HavenPanel.run(HavenPanel.java:589)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.RuntimeException: Invalid image data in gfx/kritter/horse/mare
at haven.TexR$Real$1.run(TexR.java:112)
at haven.TexR$Real$1.run(TexR.java:103)
at java.security.AccessController.doPrivileged(Native Method)
at haven.TexR$Real.rd(TexR.java:103)
at haven.TexR$Real.fill(TexR.java:120)
at haven.TexL$Prepared.<init>(TexL.java:59)
at haven.TexL$Prepared.<init>(TexL.java:53)
at haven.TexL$1.call(TexL.java:105)
at haven.TexL$1.call(TexL.java:103)
at haven.Defer$Future$1.run(Defer.java:143)
at java.security.AccessController.doPrivileged(Native Method)
at haven.Defer$Future.run(Defer.java:141)
at haven.Defer$Worker.run(Defer.java:236)
Caused by: javax.imageio.IIOException: Invalid JPEG file structure: missing SOS marker
at com.sun.imageio.plugins.jpeg.JPEGImageReader.readImageHeader(Native Method)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.readNativeHeader(Unknown Source)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.checkTablesOnly(Unknown Source)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.gotoImage(Unknown Source)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.readHeader(Unknown Source)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.readInternal(Unknown Source)
at com.sun.imageio.plugins.jpeg.JPEGImageReader.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at haven.TexR$Real$1.run(TexR.java:110)
... 12 more