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By Oliver Münchow - 11 Years Ago
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Currently i switched from version 11.12.14.12 to version 13.2.4.12 and i encounter a problem by using the NFormulaEngine.
The problem can simply be reproduced:
- Take the example code from your help site: http://helpdotnetvision.nevron.com/System_FormulaEngine_Formula_Engine.html
- Execute it.
- At engine.Variables.Add() an System.Exception with the message "Cannot compare a variant with null variant" will be thrown.
By simply switching back to the old version the problem is gone, but that's not the kind of workaround i like to do.
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By Oliver Münchow - 11 Years Ago
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After getting no feedback from Nevron not here nor by email i just tested out the latest version 13.4.29.12, but the problem still occurs.
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By Nevron Support - 11 Years Ago
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The problem occurs because the == operator was defined for the NVariant class, but we did not check for nulls. The problem is fixed and the fix will appear in the next service pack.
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By Nevron Support - 11 Years Ago
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You should now be able to download the new sp - build version: 13.5.15.12
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