1	Read Header
2	Read Table 
3	Read Block 
4	Read Entities
5	File not loading
6	Unknown Error
7	Not enough memory
8	Read Extended Data
9	Saving Blocks
10	Saving Graphics
16	Cannot open file
17	File is corrupt
18	Cannot read this version ('%s')
4096	IMSIGX.DWG.4,AutoCAD Native Format,0,100,DWG,DWG