Error: GRD ERROR - Syntax Error at or near symbol / Open Tile Channel
One of these two errors occur when performing a spatial operation with the ArcView Spatial Analyst extension:
"GRD ERROR - Syntax error at or near symbol <path> to Shapefile or Grid"
"Open Tile Channel"
Path and/or name of the shapefile or the grid is not 8.3 compliant.
Solution or Workaround
Make sure the path and the file name of the grid or shapefile are 8.3 compliant.
To avoid data corruption, use Manage Data Sources.
B. Click Copy and select a location that is 8.3 compliant.