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could not add the specified data object to the map

Question asked by hsqgroup on Apr 20, 2016
Latest reply on Apr 20, 2016 by Dan_Patterson

I'm trying to add an excel file to my data layer (using arc catalog and directly from add Data from file) and having the following error message:

"Could not add the specified data object to the map. An underlying database error occurred. Class not registered."

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