Hey,

Someone has recently made me a world for a city I want to work on, and I'm trying to load it in WorldPainter. I went on the program and tried to load the map (which is on my desktop), and it came up with this error:

java.lang.IllegalArgumentException: Save file format not supported
at org.pepsoft.worldpainter.App.migrate(App.java:4413)
at org.pepsoft.worldpainter.App.access$300(App.java:96)
at org.pepsoft.worldpainter.App$3.execute(App.java:743)
at org.pepsoft.worldpainter.App$3.execute(App.java:728)
at org.pepsoft.util.swing.ProgressComponent$1.run(ProgressComponent.java:73)

WorldPainter version: 1.11.1

java.version: 1.8.0_65
java.vendor: Oracle Corporation
java.vm.version: 25.65-b01
java.vm.vendor: Oracle Corporation
java.vm.name: Java HotSpot(TM) Client VM
os.name: Windows 10
os.arch: x86
os.version: 10.0
user.home: C:\Users\Richard
user.dir: C:\Program Files (x86)\WorldPainter
user.country: GB
user.language: en

Free memory: 11871320 bytes
Total memory size: 45346816 bytes
Max memory size: 1037959168 bytes

Operation: null
Radius: 50
Brush: Plateau Circle (radius=0, brushShape=CIRCLE, level=1.0)/Sine Circle (radius=0, brushShape=CIRCLE, level=1.0)
Level: 0.51/0.51
Zoom: 0
Hidden layers: [Biome]

If anyone could give me some help I'd be very grateful.