Calling a Sub template which has <?start:body?> in it

Hello,

I am having a issue while calling a sub template(invoice report) which has "<?start:body?>" , "<?end body?>" ,  "<?start@last-page-first:body?><?end body?>" in it.

from the main template i am calling it as

<?for-each@section:On_Payment_Terms_S3?>

<?import:file:///C:/BIP/Temp/Invoicemain.rtf?><?call:Invoice?><?end call?>

<?split-by-page-break:?>

<?import:file:///C:/BIP/Temp/Notes.rtf?><?call:Notes?><?end call?>

<?end for-each?>

Attached is the error log. Please help me