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ERROR 999999: Error executing function. Can't build VAT for multiband or floating-poi

Question asked by fstony on Mar 28, 2014
Latest reply on Mar 28, 2014 by fstony
I get this error when attempting to automate my geoprocessing in the console:
Runtime error  Traceback (most recent call last):   File "<string>", line 9, in <module>   File "c:\program files (x86)\arcgis\desktop10.2\arcpy\arcpy\sa\", line 6195, in ZonalStatisticsAsTable     statistics_type)   File "c:\program files (x86)\arcgis\desktop10.2\arcpy\arcpy\sa\", line 47, in swapper     result = wrapper(*args, **kwargs)   File "c:\program files (x86)\arcgis\desktop10.2\arcpy\arcpy\sa\", line 6187, in Wrapper     statistics_type)   File "c:\program files (x86)\arcgis\desktop10.2\arcpy\arcpy\geoprocessing\", line 498, in <lambda>     return lambda *args: val(*gp_fixargs(args, True)) ExecuteError: ERROR 999999: Error executing function. Can't build VAT for multiband or floating-point raster dataset Failed to execute (ZonalStatisticsAsTable).

The first output raster is created correctly, but it never gets to the 2nd.

I thought my problem might be related to the in-memory files, but that is not the case. Replacing both of the in_memory\\ locations with a disk location gives exactly the same error. Maybe I need to delete something from memory at the end of the for loop, but it's  not clear what.

Here is my code:
zones = 'HWSDGeolIntersectCopy' landslides = r'USGS\Combined\MitchCatBinary1kmGCS' import arcpy fields = arcpy.ListFields(zones) for field in fields:     fieldname =          newfieldname = 'Fr_' + fieldname     zsum_table =, fieldname, landslides, 'in_memory\zsum_' + zones, 'DATA', 'SUM')     arcpy.AddField_management(zsum_table, newfieldname,"DOUBLE")     rows = arcpy.UpdateCursor(zsum_table)     total_count, total_sum = 0,0     for row in rows:         total_count += row.getValue("count")         total_sum += row.getValue("sum")     rows = arcpy.UpdateCursor(zsum_table)     for row in rows:         Lcb = row.getValue("sum")         Scb = row.getValue("count")         Fr = (float(Lcb)/total_sum)/(float(Scb)/total_count)         row.setValue(newfieldname, Fr)         rows.updateRow(row)     arcpy.JoinField_management(zones, fieldname, zsum_table, fieldname, newfieldname)     # The following code fixes those polygons not contained in the study area, but present in the output map.     # It does so by changing the Fr value to 1. 1 may not be correct, but it is a better representation of     # a situation where no data exists than 0.      expression = "zero2one(!"+newfieldname+"!)"     codeblock = """def zero2one(Fr):         if Fr == 0: return 1         else: return Fr"""     arcpy.CalculateField_management(zsum_table, newfieldname, expression, "PYTHON_9.3", codeblock)     arcpy.PolygonToRaster_conversion(zones, newfieldname[0:10], 'in_memory\\' + newfieldname, 'MAXIMUM_COMBINED_AREA', 'NONE', '0.00833333333333')     # clean up     del rows     arcpy.Delete_management(zsum_table)