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FAQ: Why is my model broken after I install ArcGIS version 9.1?

Question

Why is my model broken after I install ArcGIS version 9.1?

Answer

The model contains one or more of the tools listed below. The model broke because these tools' signatures, their parameter properties, changed at version 9.1.

The signature changes are:

EditTin (3D)
An output tin parameter was removed.

Append
The type of the output parameter changed.

ChangePrivileges
The privileges parameter was removed, while a view and an edit parameter were added.

CopyRasters
A pixel type parameter was added.

Delete
The output parameter's type changed.

MosaicToNewRaster
An output raster parameter was added.

SelectData
The output parameter's type changed.

UpdateAnnotation
An output parameter was added.

Warp
A misspelling in the transformation type parameter name was fixed.

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