Error: Unknown property 'SCMC__AP_Voucher__cStandardController.line'
I cannot figure out what is causing the above error message when I attempt to save this record. Any ideas on what might be causing this?
Any suggestions on how to trouble shoot these type of error messages?
<apex:page standardController= "SCMC__AP_Voucher__c"
contentType="application/json;charset=UTF-8" >
<apex:variable var="payable" value="{!SCMC__AP_Voucher__c}"/>
<ffps_scmp:mappingDescription >
<ffps_scmp:mappingHeader targetObject="c2g__codaPurchaseInvoice__c">
<ffps_scmp:mapping sourceId="{!SCMC__AP_Voucher__c.Id}">
<ffps_scmp:mappingItem source="{!SCMC__AP_Voucher__c.SCMC__Purchase_Order__c}"
target="PO_Number__c"/>,
</ffps_scmp:mapping>
</ffps_scmp:mappingHeader>
<ffps_scmp:relatedMappings >
<ffps_scmp:relatedMapping relatedObject="c2g__codaPurchaseInvoiceLineItem__c"
>
<ffps_scmp:relatedList var="line"
list="{!line.SCMC__AP_Voucher_Line__r}">
<ffps_scmp:mapping sourceId="{!line.Id}"
>
<ffps_scmp:mappingItem
source="{!line.SCMC__Purchase_Order_Line_Item__r.SCMC__Item_Master__r.SCMC__Product_Group__r.SCMC__Revenue_Category__c }"
target="c2g__Dimension1__c" />
</ffps_scmp:mapping>
</ffps_scmp:relatedList>
</ffps_scmp:relatedMapping>
</ffps_scmp:relatedMappings>
</ffps_scmp:mappingDescription>
</apex:page>