I am getting an error 999999, failed to execute (weighted overlay), while running weighted overlay tool. i selected 6 raster data layers (factors) with tiff format.
For me this error is frequently resolved when if I select to save to a
geodatabase, but as Dan points out, there could be many reasons.
Mervyn i have also tried this.
Problem solved.. . there was a single number value in a water class of landuse. I reclassified (merged into Open land) it and then ran again weighted overlay tool successfully.
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Thank you all for your valuable guidelines and suggestions..