Hi guys,

below is my code.. but these error messages keep poping up..can someone help me?



	Error: BillingClose line 2, column 2: The markup in the document following the root element must be well-formed
	Error: The markup in the document following the root element must be well-formed.



VF page:

<apex:page tabStyle="Billing_Close__c" showHeader="true" controller="BillingCloseController" />
<apex:form>
        <apex:pageBlock title="BillingClose">
                <apex:pageBlockButtons location="both">
                <apex:commandButton value="Save" action="{!save}"/>
                <apex:commandButton value="Cancel" action="{!cancel}"/>
                <apex:commandButton value="Billed" action="{!billed}"/>
            </apex:pageBlockButtons>

            <apex:pageBlockSection columns="2">
                    <apex:pageBlockSectionItem >
                        <apex:outputLabel value="BillingClose Name"  />
                        <apex:inputField value="{!billingclose.name}"/>
                       
                        <apex:outputLabel value="Invoice_Date__c" />
                        <apex:inputField value="{!billingclose.invoicedate}" />
                  
                        <apex:outputLabel value="Comments__c" />
                        <apex:inputField value="{!opportunity.comments}"/>
                   
                        <apex:outputLabel value= "Status__c"/>
                        <apex:inputField value="{!billingclose.status}" id="status_select"/>
                            <apex:selectOption itemLabel="Billed" itemValue="Billed"></apex:selectOption >
                            <apex:selectOption itemLabel="To be Billed" itemValue="To be Billed"></apex:selectOption >
                            <apex:selectOption itemLabel="Do not Bill" itemValue="Do not Bill"></apex:selectOption >
                    
                      <apex:inputCheckbox onselect="Reconciled__c"/>
                       
                      <apex:outputLabel value="Owner" />
                        <apex:outputLabel value="{!$User.FirstName} {!$User.LastName}"/>
                        <apex:inputField value="{!billingclose.owner.name}"/>
                    </apex:pageBlockSectionItem >
              </apex:pageBlockSection>
          </apex:pageBlock>
     </apex:form> 
 </apex:page>             

Class: