I get this error after I created a class from my xsd file using the xsd.exe tool. So I searched the net and found a solution. Here is the link: http://satov.blogspot.com/200
For me it helps to patch the XML used to generate the code. It happens when:
then this is optimized by xsd to double array name entry
What I did is:
the xsd doesn't optimize it but leaves the single array name