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Error: Assertion - Bit in range failed in line 268 ...\base\bitmap.c

Error Message

When accessing a shapefile, ArcView returns the error:

"Assertion - Bit in range failed in line 268 ...\base\bitmap.c"

Cause

Shapefile's spatial index is corrupt

Solution or Workaround

  1. Make a backup copy of the shapefile. You can do this from Windows Explorer or from a Command Prompt window.
  2. Delete or rename the .sbn and .sbx file associated with the shapefile.
  3. Re-add the theme to the view.