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
15	Canceled by user
16	Cannot open file
17	File is corrupt
18	Cannot read this version ('%s')
19	Cannot write temporarily file
20	Cannot initialize convertor
21	Internal convertor error
22	AutoCAD R14 Beta file format not supported
4096	IMSIGX.DWG.4,AutoCAD Native Format,0,100,DWG,DWG