Hi,I have a dxf file used dxf2dwg.exe to convert it to dwg,but it ocuurs error as follows:

 D:\code\dwg\libredwg>dxf2dwg.exe 456.dxf
Reading DXF file 456.dxf
ERROR: Invalid DXF group code: 6400
ERROR: Failed to decode DXF file: 456.dxf

READ ERROR 0x800 456.dxf

and I give the dxf file ,please give me an answer!
[456.zip](https://github.com/LibreDWG/libredwg/files/12522602/456.zip)

indxf binary: Invalid DXF group code :6400
This is a GitHub Issue
repo:libredwg
owner:LibreDWG
Title : indxf binary: Invalid DXF group code :6400
Issue date:

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Hi,I have a dxf file used dxf2dwg.exe to convert it to dwg,but it ocuurs error as follows:

 D:\code\dwg\libredwg>dxf2dwg.exe 456.dxf
Reading DXF file 456.dxf
ERROR: Invalid DXF group code: 6400
ERROR: Failed to decode DXF file: 456.dxf

READ ERROR 0x800 456.dxf

and I give the dxf file ,please give me an answer!
[456.zip](https://github.com/LibreDWG/libredwg/files/12522602/456.zip)

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