Error when importing a WorldPainter world

[Joe Sterham 53]

Hi everyone,

When loading a world created with WorldPainter, I get this error:

https://imgur.com/ViVYYLN

System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at import.Chunk.Section.Load(NBTCompound nbtSection, BlockFormat blockFormat, StorageFormat storageFormat)
   at import.Chunk.Load()
   at import.Region.Load()
   at import.World.GetRegion(Int32 x, Int32 y)
   at import.World.GetChunk(Int32 x, Int32 y)
   at import.frmImport.UpdateXYMap(Int32 x, Int32 y)
   at import.frmImport.LoadWorld(String filename)
   at System.Windows.Forms.ComboBox.OnSelectedIndexChanged(EventArgs e)
   at System.Windows.Forms.ComboBox.WmReflectCommand(Message& m)
   at System.Windows.Forms.ComboBox.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

 

The world had already been loaded in-game before importing to mine-imator.

If anyone could help me that would be awesome!

[Joe Sterham 53]

I managed to solve the issue:

When exporting the map in WorldPainter don't use the 1.15 or later world gen