Dear Friends,

Error : First exception on row 0; first error: REQUIRED_FIELD_MISSING, Required fields are missing: [Last Name]: [Last Name]

I Got above Error When i try to save Contact records from VF Page. Could You please give me a best Solution.


*****************************          Class           *****************
 

Public Class Update_KYC{
    Public Id CurntRecId{Get;Set;}
    Private Final Account AccId;
    Public Account acc{Get;Set;}
    Public List<Contact>  ConList{Get;Set;}
    Public List<Risk__c>  RiskList{Get;Set;}
    Public Account accrec{GET;SET;}
    Public Contact accLkp{Get;Set;}
    public List<Contact> deleteContactList = new List<Contact>();
    public List<Risk__c> deleteRiskList = new List<Risk__C>();
    
    
    
    Public Update_KYC(Apexpages.StandardController AccController){
        AccId  = (Account)AccController.GetRecord();
        ConList = New List<Contact>();
        Contact con = New Contact();
        con.AccountId =  AccId.Id;
        ConList.add(con);
        
        /*For Risk*/
        RiskList =  New List<Risk__c>();
        Risk__c rsk = New Risk__c();
        rsk.Account__C = AccId.Id;
        RiskList.add(rsk);
        //accLkp = New Contact();
        
        
    }
    
    
        /*  ADD Contact */
    Public Void AddContactRow(){
        Contact con = New Contact();
        con.AccountId =  AccId.Id;
        ConList.add(con);
    }
    
    Public Void RemoveContactRow(){
        Integer indexVal = Integer.valueof(system.currentpagereference().getparameters().get('index'));
        if(ConList[indexVal - 1].Id != null)
        deleteContactList.add(ConList[indexVal - 1]);
        //Remove the contact from the table    
        ConList.remove(indexVal - 1);
    }
    
    Public Void SaveContact(){
        System.debug(' ******* Contact List **** |' + ConList);
        Insert ConList;
        ApexPages.Message myMsg = new ApexPages.Message(ApexPages.severity.INFO, + AccId.Name +  ' Contacts Added Successfully.');
        ApexPages.addMessage(myMsg); 
        
        ConList.Clear();
        ConList = New List<Contact>();
        Contact con = New Contact();
        con.Account =  AccId;
        ConList.add(con);
    }
    
         /*ADD RIKS*/

   Public Void AddRiskRow(){
       Risk__C rsk = New Risk__c();
       rsk.Account__c = AccId.Id;
       RiskList.add(rsk);
    }
    
    Public Void RemoveRiskRow(){
        Integer indexVal = Integer.valueof(system.currentpagereference().getparameters().get('index1'));
        if(RiskList[indexVal - 1].Id != null)
        deleteRiskList.add(RiskList[indexVal - 1]);
        //Remove the Risk from the table    
        RiskList.remove(indexVal - 1);       
    }
    
    Public Void SaveRisk(){
        Insert RiskList;
        ApexPages.Message myMsg = new ApexPages.Message(ApexPages.severity.INFO, + AccId.Name +  ' Risks Added Successfully.');
        ApexPages.addMessage(myMsg); 
        
        RiskList.Clear();
        RiskList= New List<Risk__c>();
        Risk__c rsk = New Risk__c();
        rsk.Account__c =  AccId.Id;
        RiskList.add(rsk);
    }
    
    
 }

**************************  VF Page *********************

 

<apex:page standardController="Account" Extensions="Update_KYC">
    <apex:form >
        <apex:pageBlock title="Update KYC Details" >
            <apex:pageBlockSection title="{!Account.Name} Details">
                <apex:pageBlockSectionItem >
                    <apex:outputLabel value="{!$ObjectType.Account.fields['Name'].label}" />
                    <apex:outputField value="{!Account.Name}"/>
                </apex:pageBlockSectionItem>
                <apex:pageBlockSectionItem >
                    <apex:outputLabel value="{!$ObjectType.Account.fields['Type'].label}" />
                    <apex:outputField value="{!Account.Type}"/>
                </apex:pageBlockSectionItem>
                
                <apex:pageBlockSectionItem >
                    <apex:outputLabel value="{!$ObjectType.Account.fields['Total_Disbursement_Amount__c'].label}" />
                    <apex:outputField value="{!Account.Total_Disbursement_Amount__c}"/>
                </apex:pageBlockSectionItem>
                <apex:pageBlockSectionItem >
                    <apex:outputLabel value="{!$ObjectType.Account.fields['Total_Commitment_Amount__c'].label}" />
                    <apex:outputField value="{!Account.Total_Commitment_Amount__c}"/>
                </apex:pageBlockSectionItem>
            </apex:pageBlockSection>
        </apex:pageBlock>
        
        <apex:pageMessages ></apex:pageMessages>
        <apex:variable var="rowNumber" value="{!0}"/>
        <apex:pageblock title="Add Contacts" id="table1">
            <div style="overflow: scroll; width: 1200px; height: 280px;">
                <apex:pageBlockTable value="{!ConList}" var="con" id="theTable" styleClass="opp-table">
                    <apex:variable value="{!0}" var="cnt"/>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['FirstName'].label}">
                        <apex:inputField value="{!con.FirstName}" />
                    </apex:column>
                    <apex:column headerValue="LastName" >
                        <apex:inputField value="{!con.LastName}" />
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['AccountId'].label}">
                        <apex:outputField  id="Account" value="{!con.AccountId}"/>
                    </apex:column>  
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Relationship_ws__c'].label}">
                        <apex:inputField value="{!con.Relationship_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Constitution_ws__c'].label}">
                        <apex:inputField value="{!con.Constitution_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Is_Authorised_Signatory_ws__c'].label}">
                        <apex:inputField value="{!con.Is_Authorised_Signatory_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['CIN_ws__c'].label}">
                        <apex:inputField value="{!con.CIN_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Date_of_Incorporation_ws__c'].label}">
                        <apex:inputField value="{!con.Date_of_Incorporation_ws__c}" />
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['C_KYC_number_ws__c'].label}">
                        <apex:inputField value="{!con.C_KYC_number_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['PEP_ws__c'].label}">
                        <apex:inputField value="{!con.PEP_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['PAN_Card__c'].label}">
                        <apex:inputField value="{!con.PAN_Card__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Passport_No_ws__c'].label}">
                        <apex:inputField value="{!con.Passport_No_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Passport_Expiry_Date_ws__c'].label}">
                        <apex:inputField value="{!con.Passport_Expiry_Date_ws__c}"/>
                    </apex:column>
                    <apex:column headerValue="{!$ObjectType.Contact.fields['Aadhaar_Number__c'].label}">
                        <apex:inputField value="{!con.Aadhaar_Number__c}"/>
                    </apex:column>
                    <apex:column headerValue="Address Proof">
                        <apex:inputField value="{!con.Address_Proof_ws__c }"/>
                    </apex:column>
                    
                    <apex:column >
                        <apex:commandButton value=" Add " action="{!AddContactRow}" rerender="table1,error1" >
                        </apex:commandButton>
                    </apex:column>
                    <apex:column >
                        <apex:commandButton value="Remove" action="{!RemoveContactRow}" rerender="table1,error1" immediate="true" >
                            <apex:param name="index" value="{!cnt}"/>
                        </apex:commandButton> 
                        <apex:variable var="cnt" value="{!cnt+1}"/>     
                    </apex:column>
                </apex:pageBlockTable>
            </div>
            <apex:pageBlockButtons location="bottom">
                <apex:commandButton value=" Save " action="{!SaveContact}" immediate="True" rerender="error1" />
                <apex:commandButton value="Cancel" action="{!Cancel}" immediate="True"/>
            </apex:pageBlockButtons>
        </apex:pageblock>
        
        <apex:pageblock title="Add Risks" id="table2">
            <apex:pageBlockTable value="{!RiskList}" var="rsk">
            <apex:variable value="{!0}" var="cnt1"/>
                <apex:column headerValue="Risk Name">
                    <apex:inputField value="{!rsk.name}"/>
                </apex:column>
                <apex:column headerValue="Account">
                    <apex:outputField id="Account" value="{!rsk.Account__c}"/>
                </apex:column> 
                <apex:column headerValue="Received Date">
                    <apex:inputField value="{!rsk.Risk_Categorisation__c}"/>
                </apex:column>
                <apex:column headerValue="Received Date">
                    <apex:inputField value="{!rsk.KYC_Received_Date__c}"/>
                </apex:column>
                <apex:column headerValue="Received Date">
                    <apex:inputField value="{!rsk.KYC_Received_Date__c}"/>
                </apex:column>
                <apex:column headerValue="Review Date">
                    <apex:inputField value="{!rsk.KYC_Review_Date__c  }"/>
                </apex:column>
                <apex:column headerValue="Categorisation">
                    <apex:inputField value="{!rsk.Trust_Society__c}"/>
                </apex:column>
                <apex:column >
                    <apex:commandButton value=" Add " action="{!AddRiskRow}" rerender="table2,error2" immediate="true"/>
                </apex:column>
                <apex:column >
                    <apex:commandButton value="Remove" action="{!RemoveRiskRow}" rerender="table2,error2" immediate="true">
                        <apex:param name="index1" value="{!cnt1}"/>
                    </apex:commandButton> 
                        <apex:variable var="cnt1" value="{!cnt1+1}"/>
                </apex:column>
            </apex:pageBlockTable>
            <apex:pageBlockButtons location="bottom">
                <apex:commandButton value=" Save " action="{!SaveRisk}" immediate="True"/>
                <apex:commandButton value="Cancel" action="{!Cancel}" immediate="True"/>
            </apex:pageBlockButtons>
        </apex:pageblock>
        
        
        
        
    </apex:form>
</apex:page>

Regards,
Soundar.