I have a workspace that reads AutoCAD Map 3D drawings, updates Link Template Keys and writes to a new AutoCAD drawing. The issue I have is twofold and listed below:

1.  
2. Block Attribute data
   1. The Attribute data is converted to text and placed at the insert point of the block
   2. The default Attribute data appears in addition
3. Object Data is simply gone in the output dwg file. 
   1. Object Data Tables remain, but data in them is removed