<?xml version="1.0" encoding="UTF-8"?> 
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<ValidationRule xmlns="http://soap.sforce.com/2006/04/metadata"> 
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    <fullName>BobyCannotOneToOne</fullName> 
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    <active>true</active> 
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    <errorConditionFormula>DataMigration_Flag__c == false && 
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Is_Body__c && Is_OneToOne__c</errorConditionFormula> 
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    <errorDisplayField>Is_OneToOne__c</errorDisplayField> 
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    <errorMessage>主体不能勾选一对一</errorMessage> 
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</ValidationRule> 
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