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Linking against the wrong version of the Flex SDK

Activa Live Chat Support » Customization » Troubleshooting

Article ID: 13 | Last Modified: 01/17/2008

Customers attempting to build their own custom chat window using the Activa Live Chat SDK (software development kit) may see runtime errors indicating API mismatches. For example:

ArgumentError: Error #1063: Argument count mismatch on mx.binding::PropertyWatcher(). Expected 3, got 2.

If this is the case, please make sure that you are linking against the version 2.0 release of the Flex SDK. Linking against the Flex 3.0 libraries will cause stability issues.

In Flex Builder 3, you can change which version of the Flex SDK you are linking to by going to your project's property dialog (Right-Click -> Properties), selecting the "Flex Compiler" section, and choose the Flex 2.x SDK under "Use A Specific SDK".