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Error: Error reading shape file - Unknown error

Error Message

When trying to access shapefiles delivered with BusinessMap, various errors occur in ArcView, such as:

"Error in reading shape file"
"Unknown error".

Cause

The shape files delivered with BusinessMAP have been modified to improve performance with BusinessMAP. ArcView does not recognize those changes.

Solution or Workaround

The datasets provided with BusinessMAP are also provided with ArcView, except for the area code boundaries. Use each dataset with the appropriate application.

Note:
The shape files of the BusinessMAP layers have different extensions when compared with standard ArcView shape files, such as CVR, INI, GCD, PTS and PTX.