Dvonn games broken: server 500 error

For two days now I get a broken image for all of my Dvonn games.

A 500 internal server error for the game image:

java.lang.NullPointerException
    org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:82)
    ng.game.picture.PictureDB.processRequest(PictureDB.java:88)
    ng.game.picture.PictureDB.doGet(PictureDB.java:102)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

Does anybody know when this will be fixed? I'd hate it when my games time out because the game was broken.

NullPointerException while trying to output a picture for Dvonn sounds like it's related to the Hex and Havannah games' lack of pictures.