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As well as the familiar route distance, time, and cost values; MPMileage can write an 'Error' data value. This value is a text field which indicates the status of the result. Valid values are as follows:
Value
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Meaning
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Action
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Okay
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The route calculation succeeded.
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No action required.
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Start not found
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The start location could not be found
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Location might not exist in the map file.
Check that the spelling of the location in the database matches the corresponding pushpin in the map file.
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End not found
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The end location could not be found
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Location might not exist in the map file.
Check that the spelling of the location in the database matches the corresponding pushpin in the map file.
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Route not found
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MapPoint was unable to calculate the route.
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A valid route cannot be found. Eg. between islands or one location is too far from a road.
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Unknown Error
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Should not occur
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Report as a possible bug.
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The Error column should be at least 16 characters wide, but must be able to hold at least 4 characters. The above values will be truncated if necessary.
Further error values may be added at a future date.
The above error values can be used in repeated runs to indicated that only rows with errors should be calculated. This is described on the Row Selection page.
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