Root_Map is not exportable??? Please HELP!

Hello All,

Please help!!! This error does that make since to me. Plus, the
documentation about this error is more cufusing than ever. Error:

"Root_Map is not exportable because it contains the folloing:
* A mapped element's relationship with other elements cannot be preserved"

I wrote two validate schema and I still have the same problems. This error
occured only in some columns. Below is one of the validate schema I'm using
in one of my examples.

<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="Root" nillable="true">
<xsd:complexType>
<xsd:sequence minOccurs="0">
<xsd:element name="Child" form="unqualified" nillable="true"
minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:sequence minOccurs="0">
<xsd:element name="LoanNumber" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="ProductCode" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="FirstName" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="MiddleName" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="LastName" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="Suffix" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="SSN" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="Address" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="City" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="State" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="Zip" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
<xsd:element name="OriginalNoteRate" type="xsd:string"
form="unqualified" nillable="true" minOccurs="0"/>
<xsd:element name="OriginalLoanAmount" type="xsd:string"
form="unqualified" nillable="true" minOccurs="0"/>
<xsd:element name="ARMMargin" type="xsd:string" form="unqualified"
nillable="true" minOccurs="0"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>

Please help! I feel I'm close but I can't pick-up what's causing the error...