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I have MyDAC 5.80.0.46 installed on RAD Studio 2009 under Delphi.

I am testing a data load from XML to a Dataset and wanted to use a virtual table. There are also other circumstances where a virtual table will be handy.

But, since I have MyDAC already installed, apparently I can't install other components that use the same nested units.

The exact message is "Cannot load package 'vtable120.' It contains unit 'MemUtils,' which is also contained in package 'dac120'."

Any suggestions?

You should not install VirtualTable if you have installed MyDAC.

MyDAC already contains VirtualTable.

Just to close this issue out. Due to a change in hardware I had to reinstall Delphi 2009 and MyDAC. This may have been an issue with the trial installation of MyDAC and then the removal and install of the licensed version. After having to reinstall everything, the issue went away.

Sorry that this doesn not help anyone who may face this issue in the future other than a complete reinstall will fix the problem. Not a good solution.