Salem

at java.lang.Thread.run(Unknown Source)
Caused by: javax.imageio.IIOException: Error reading PNG metadata
at com.sun.imageio.plugins.png.PNGImageReader.readMetadata(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at haven.Resource$Image.<init>(Resource.java:610)
... 9 more
Caused by: java.io.UTFDataFormatException: malformed input around byte 10
at java.io.DataInputStream.readUTF(Unknown Source)
at javax.imageio.stream.ImageInputStreamImpl.readUTF(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.parse_iTXt_chunk(Unknown Source)
... 15 more

That's not the entire error, but no matter, I found the report. I can't help but think that you have a buggy Java installation or something, because I really can't find anything wrong with the chunk it's complaining about. You might want to upgrade Java to a version that isn't 6 years old. :)