Issue in Display Header Section in rtf templat when we use subtemplate with <?call@inlines:header?>

Hi

Syntax used

<?call@inlines:header?>   in HEader Portion
sub template registartion:<?import:xdo://SDS.SDSCOMINVKADDR.en.00?>
foreachG_ORDER:<?for-each@section:G_ORDER?> <?template:header?>

<?call-template:SDSCOMINVKADDR?>

Header Text

<?end template?>

if we are using sub Template in above syntax and test from  Oracle EBS R12.1.3 we are getting below error

Template code: SDSCOMINVKBI
Template app:  SDS
Language:      en
Territory:     00
Output type:   PDF
[7/20/12 3:07:06 AM] [UNEXPECTED] [588254:RT86452137] java.lang.ClassCastException:
oracle.apps.xdo.template.fo.elements.FOBlock cannot be cast to oracle.apps.xdo.template.fo.elements.table.FOTableBody
        at oracle.apps.xdo.template.fo.elements.table.FOTableRow.init(FOTableRow.java:64)