[mapguide-users] Maestro error creating a theme

[_Jon_]

I am trying to create a theme using my data.  I have a nullable integer
property defined that I would like to use to make a heat map for each
feature.  In Maestro, when I click on "Create Theme" for the area style, I
select my property, Maestro throws the following error:

"Unable to read data from the selected column: The remote server returned an
error: (559) MgFdoException.: The custom error module does not recognize the
error."

Any idea what could be going on here, or how I might work around this
problem?  The values could range from 0 to 90 so creating the rules manually
is not really practical.  Any suggestions would be greatly appreciated.



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