Hi There!
The reason this error occured is because you're requesting a lot of data and this exceeds the maximum size specified:
The maximum message size quota for incoming messages (524288) has been exceeded. To increase the quota, use the MaxReceivedMessageSize property on the appropriate binding element.
To solve this you need to increase the value for the different MaxReceivedMessageSize properties in the sourcecode and rebuild the project. As you can see in the code (http://fimattributestore.codeplex.com/SourceControl/changeset/view/19058#112103) the max size for schema is 1048576 bytes (mexBinding.MaxReceivedMessageSize = 1048576) and the same for data retrieved with your query (enumerationBinding.MaxReceivedMessageSize = 1048576) and the reason these values are larger than in the error is because I didn't make a release after the last change to the sourcecode. I know it wasn't very smart of me hardcoding these values into the project but I wanted the project to be as simple as possible to deploy.
I have a plan on making some updates to this project but unfortunately it depends on when I'll get som spare time and if you need this right now I recommend you to make a change in the source code yourself and rebuild it.
//Henrik