RUL-00025:fact class multiple inheritance not supported

Hi Everyone,
I am creating a rule for a order schema which accepts OrderTotal and CustomerType and based on both response back if the Approval is required or not. When deploying the process I am getting the "RUL-00025:fact class multiple inheritance not supported." Below is the schema which I am using.
<?xml version="1.0" encoding="windows-1252"?>
<schema targetNamespace="http://www.OrderRequest.com" xmlns:or="http://www.OrderRequest.com" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="unqualified" attributeFormDefault="unqualified">
     <element name="OrderDetailsRequest" type="or:OrderRequestT"/>
     <element name="OrderDetailsResponse" type="or:OrderResponseT"/>
     <complexType name="OrderRequestT">
          <sequence>
               <element name="OrderTotal" type="int"/>
               <element name="CustomerType" type="string"/>
          </sequence>
     </complexType>
     <complexType name="OrderResponseT">
          <sequence>
               <element name="ApprovalRequiredFlag" type="string"/>
          </sequence>
     </complexType>
</schema>
This is what the error is:
The rule session RulesTest:90002 failed to execute step assert
RUL-00025:fact class multiple inheritance not supported
oracle.rules.rl.exceptions.RLRuntimeException: fact class multiple inheritance not supported
     at oracle.rules.rl.exceptions.ExceptionFactory.createRuntimeMultipleInheritanceException(ExceptionFactory.java:467)
     at jess.DefinstanceList.autoDefclass(DefinstanceList.java:996)
     at jess.DefinstanceList.assertObject(DefinstanceList.java:570)
     at jess.Rete.assertObject(Rete.java:1557)
     at jess.AssertObject.call(ReflectFunctions.java:1198)
     at jess.FunctionHolder.call(FunctionHolder.java:30)
     at jess.Funcall.execute(Funcall.java:280)
Caused by: oracle.rules.rl.exceptions.MultipleInheritanceException: fact class 'DemoPackage.OrderDetailsRequestImpl' cannot extend both 'DemoPackage.OrderRequestT' and 'DemoPackage.OrderDetailsRequest'
     at oracle.rules.rl.exceptions.ExceptionFactory.createMultipleInheritanceException(ExceptionFactory.java:443)
     at oracle.rules.rl.common.ClassSymbol.setFactClass(ClassSymbol.java:187)
     at oracle.rules.rl.common.ClassSymbol.initialize(ClassSymbol.java:280)
     at jess.DefinstanceList.getProperties(DefinstanceList.java:1168)
     at jess.DefinstanceList.autoDefclass(DefinstanceList.java:992)
     ... 33 more
Execution plan for RulesTest:90002
assert fact DemoPackage.OrderDetailsRequest
Please help me!!!
Thank You.

For the class DemoPackage.OrderDetailsRequest, either don't import it into the datamodel or set the visibility of it to false. This should fix the issue.

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Revision: 10129
Author:   [email protected]
Date:     2009-09-10 14:07:41 -0700 (Thu, 10 Sep 2009)
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QE notes: None.
Doc notes: None
Bugs: SDK-22763
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Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
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