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DBProvider Factories Section

When running CardExchange® Gateway (CardExchange® Producer or CardExchange® Visitor), you may recieve the following error that prevents the application from running.

Screenshot 2022 04 26 at 16.37.57

This appears to be a bug in the .NET framework which can be resolved by following the steps below.

First, go to C:\Windows\Microsoft.NET\Framework. There you will see folders for the different versions you have installed.
Go to the folder v4.0.30319, open the Config folder and then open the Machine.Config file in a text editor.
In that file, search for the string “<DbProviderFactories/>”, if you found that you can see the following code:\

Screenshot 2022 04 26 at 16.38.07

The <DbProviderFactories/> doesn’t belong there so delete this line:
Save it and look in the other folders to see if the line is there too. It’s possible that this line also

appears in v2.0.50727.

TOPICS

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Producer

Visitor