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I created a simple model that selects iteratively elements from a point dataset and calculates a cost distance raster for each of these points. It works fine when I run it for just one dataset, but when I try to batch it get the following error.

ERROR 000865: Input raster or feature source data: I_atlanta_OBJECTID does not exist. ERROR 000581: Invalid parameters. Failed to execute (Cost Distance).

Please any help will be greatly appreciate.

Here a link to a snapshot of the model http://img88.imageshack.us/img88/7432/modelmultidist.png

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Did you rule out the help topics on the subject? help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//… or is there something specific to your model that doesn't apply? –  Dan Patterson Sep 22 '11 at 22:55
Try saving the model as a python script. Inspecting that might reveal where/why a variable in the model is not being updated on subsequent iterations. If you don't know enough python to do that, put the script online somewhere like pastebin.com and we'll take a look at it. –  matt wilkie Nov 2 '11 at 16:24

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