Cannot play

[Klaus]

Everytime I open AutoHaven, I get the following error message:

java.lang.RuntimeException: Delayed error in resource gfx/tiles/wald/wald (v5), from local res source
at haven.Resource.checkerr(Resource.java:1041)
at haven.Resource.layer(Resource.java:924)
at haven.MCache.loadset(MCache.java:142)
at haven.MCache.tilemap(MCache.java:407)
at haven.Session$RWorker.handlerel(Session.java:366)
at haven.Session$RWorker.getrel(Session.java:377)
at haven.Session$RWorker.run(Session.java:445)
Caused by: haven.Resource$LoadException: Could not find resource locally: gfx/tiles/wald/wald
at haven.Resource$JarSource.get(Resource.java:283)
at haven.Resource$Loader.handle(Resource.java:388)
at haven.Resource$Loader.run(Resource.java:368)
at java.lang.Thread.run(Unknown Source)

What's that do?