<?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>Start_day_not_null</fullName> 
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    <active>true</active> 
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    <errorConditionFormula>DataMigration_Flag__c == false 
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&& IsChanged(Select_Time__c) && Not(Isblank(Select_Time__c)) 
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&& ISBLANK(Consum_Apply_Equipment_Set__r.Consum_Start_Date__c) 
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&& NOT(Consum_Apply_Equipment_Set__r.Cancel_Select__c)</errorConditionFormula> 
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    <errorDisplayField>Asset__c</errorDisplayField> 
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    <errorMessage>[预计使用日]不能为空</errorMessage> 
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</ValidationRule> 
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