Amber Client Bug

[Luanes]

Hello! I was digging on my village claim and, suddenly, my game crashed. When i log in, if the character is close to my village claim, the client crashes. This doesn't occur in the normal client.

Here is the crash message:

1.57.3.5d85e88d
Windows 7 6.1 x64, 1.8.0_131 amd64
NVIDIA Corporation (GeForce GT 540M/PCIe/SSE2) - 4.4.0

haven.StreamMessage$IOError: java.io.UTFDataFormatException: malformed input around byte 33
at haven.MapFile$Grid.save(MapFile.java:433)
at haven.MapFile.update(MapFile.java:762)
at haven.MapFile$Processor.lambda$run$0(MapFile.java:198)
at haven.MapFile$Processor.run(MapFile.java:214)
Caused by: java.io.UTFDataFormatException: malformed input around byte 33
at java.io.DataInputStream.readUTF(Unknown Source)
at java.io.RandomAccessFile.readUTF(Unknown Source)
at haven.HashDirCache.readhead(HashDirCache.java:112)
at haven.HashDirCache.lookup(HashDirCache.java:192)
at haven.HashDirCache.store(HashDirCache.java:262)
at haven.MapFile$Grid.save(MapFile.java:431)
... 3 mor

Don't know how to expand the crash msg to get the last 3 lines.

[Luanes]

I removed the "Data" folder and it fixed .

Lost my entire map, but i can play now.