Here is the log. I am not sure if it more informative.
BTW by nested directory structure all I meant is that I have collection that has collections that have collections. It is at max 5 level deep. There is no loop.
8/10/2011 8:07:01 PM(ver. 0.61) Error log dump info done.
8/10/2011 8:07:01 PM(ver. 0.61) 0 files and folders are using 103.5 GB
8/10/2011 8:07:01 PM(ver. 0.61) 25.8% of 401 GB used
Google server info not available
8/10/2011 8:07:26 PM(ver. 0.61) Error getting initial doc list
Value was either too large or too small for a UInt32. System.OverflowException : sd criticality=6
Inner:
Source: mscorlib : sd criticality=6
8/10/2011 8:07:37 PM(ver. 0.61) Could not contact Google Docs. Network might be down. Will retry in a few seconds...
Execution of request failed System.Exception : sd criticality=0
Inner:
Source: Syncdocs : sd criticality=0
8/10/2011 8:07:37 PM(ver. 0.61) Error log dump info done.
8/10/2011 8:07:37 PM(ver. 0.61) 0 files and folders are using 103.5 GB
8/10/2011 8:07:37 PM(ver. 0.61) 25.8% of 401 GB used
Google server info not available
8/10/2011 8:10:26 PM(ver. 0.61) Error log dump info done.
8/10/2011 8:10:26 PM(ver. 0.61) 0 files and folders are using 103.5 GB
8/10/2011 8:10:26 PM(ver. 0.61) 25.8% of 401 GB used
Google server info not available
8/10/2011 8:10:49 PM(ver. 0.61) Error getting initial doc list
Value was either too large or too small for a UInt32. System.OverflowException : sd criticality=6
Inner:
Source: mscorlib : sd criticality=6
8/10/2011 8:10:56 PM(ver. 0.61) Could not contact Google Docs. Network might be down. Will retry in a few seconds...
Execution of request failed System.Exception : sd criticality=0
Inner:
Source: Syncdocs : sd criticality=0
8/10/2011 8:11:22 PM(ver. 0.61) Error log dump info done.
8/10/2011 8:11:22 PM(ver. 0.61) 0 files and folders are using 103.5 GB
8/10/2011 8:11:22 PM(ver. 0.61) 25.8% of 401 GB used
Google server info not available