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POSystem.NullPointerException: Attempt to de-reference a null object
 

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    <p>I have to create a new object and copy all the fields form the old one to a new one and it is a child to opportunity.</p> <p>The copyfields is a method that copies the fields from one object to another and the function call line in the cloning method is the line where I am getting the exception.</p> <pre><code>public LQAgreementCloneCtrl(ApexPages.StandardController controller) { lqa = [Select off1stdate__c, hosp1stdate__c, Zip_Code_New__c, X66_Contract__c,WAWF__c,,AccountRevenue__c From LQ_Agreement__c Where id=:ApexPages.currentPage().getParameters().get('id')]; o = [Select of_Hospitals__c, X8_Gal__c, X4_Gal__c, X3mo_Avg_LBS_stop__c, X3_Gal__c, X2_Gal__c, X1st_Pick_Up_Date__c, X17_Gal__c, X12_month_Actual_Stops__c, X12_mo_Avg_Rev__c, Waste_Destruction_Date__c, WS_Other__c, Vision_Match__c, Value_analysis_committee__c, AR_FuelFee__c, AR_FixerFee__c, AR_EnergyFee__c, APPROVALS__c,RecordType.Name From Opportunity WHERE Id=:lqa.Opportunity__c]; } public PageReference cloning(){ if(lqa.Status__c=='Deal Approved'){ //oclone=o; //oclone.id=null; oclone=o.clone(); insert oclone; System.debug('Oclone&gt;&gt;&gt;&gt;&gt;&gt;&gt;'+oclone); LQ_Agreement__c lqaclone=new LQ_agreement__c(); //lqaclone=new LQ_Agreement__c(); lqaclone.Opportunity__c=oclone.Id; System.debug('LQAClone&gt;&gt;&gt;&gt;&gt;'+lqaclone); lqaclone=copyfields(lqaclone,lqa); oclone.Name=o.Name+'-Amended'; //Checking the Record type of the original Opportunity to create the new cloned Opp with RecordType of same waste stream + amendment added if(o.RecordType.Name=='LQ Bio/SMS Renewal'|| o.RecordType.Name=='LQ Bio/SMS New Business' ) oclone.RecordType.Name='LQ BIO/SMS Amendment'; if(o.RecordType.Name=='LQ Haz Waste New Business'|| o.RecordType.Name=='LQ Haz Waste Renewal' ) oclone.RecordType.Name='LQ Haz Waste Amendment'; if(o.RecordType.Name=='LQ RMW New Business'|| o.RecordType.Name=='LQ RMW Renewal' ) oclone.RecordType.Name='LQ RMW Amendment'; if(o.RecordType.Name=='LQ Rx/Pharma New Business'|| o.RecordType.Name=='LQ Rx/Pharma Renewal' ) oclone.RecordType.Name='LQ Rx/Pharma Amendment'; //Checking the Record type of the original LQ Agreement to create the new cloned LQA with RecordType + amendment added if(lqa.RecordType.Name=='LQ Existing Agreement' || lqa.RecordType.Name=='LQ New Agreement' ) lqaclone.RecordType.Name='LQ New Agreement – Amendment'; if(lqa.RecordType.Name=='LQ Existing Agreement GPO' || lqa.RecordType.Name=='LQ New Agreement GPO' ) lqaclone.RecordType.Name='LQ New Agreement GPO – Amendment'; insert lqaclone; update oclone; p=new ApexPages.StandardController(lqaclone).view(); } else{ System.debug('Inside Else statement'); p=new ApexPages.StandardController(lqa).view(); } return p; } public LQ_Agreement__c copyfields(LQ_Agreement__c lqaclone1,LQ_Agreement__c lqa1){ lqaclone1.Approved_By_RSD__c=lqa1.Approved_By_RSD__c; lqaclone1.ApprovedByBrent__c=lqa1.ApprovedByBrent__c; lqaclone1.ApprovedByJIM__c=lqa1.ApprovedByJIM__c; lqaclone1.ApprovedByVP__c=lqa1.ApprovedByVP__c; } </code></pre> <p><strong>I am getting the exception at the function call to copyfields. The exception I get is Attempt to de-reference null object. Copy fields is a big function. I just gave a few lines</strong></p>
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    1. COare you sure thats exactly here the error is occurring? there is no dereferencing at that line. What does the debug output say?
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    2. CO10:40:56.146 (1146991000)|METHOD_ENTRY|[130]|01pV00000004cUM|LQAgreementCloneCtrl.copyfields(LQ_Agreement__c, LQ_Agreement__c) 10:40:56.149 (1149726000)|METHOD_EXIT|[130]|01pV00000004cUM|LQAgreementCloneCtrl.copyfields(LQ_Agreement__c, LQ_Agreement__c) 10:40:56.150 (1150241000)|FATAL_ERROR|System.NullPointerException: Attempt to de-reference a null object
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