Answered Nested MIGXdb error log

(ERROR @ /assets/components/migx/connector.php) No foreign key definition for parentClass: lbParent using relation alias: Resource

<?xml version="1.0" encoding="UTF-8"?>
<model package="lb_test" baseClass="xPDOObject" platform="mysql" defaultEngine="MyISAM" version="1.1">
	<object class="lbParent" table="lb_parent" extends="xPDOSimpleObject" >
		<field key="title" dbtype="varchar" precision="255" phptype="string" null="false" default="" />
		<index alias="PRIMARY" name="PRIMARY" primary="true" unique="true">
			<column key="id" collation="A" null="false" />
		</index>
	</object>
	<object class="lbChild" table="lb_child" extends="xPDOSimpleObject" >
		<field key="parent" dbtype="int" precision="11" phptype="integer" null="false" default="0" />
		<field key="title" dbtype="varchar" precision="255" phptype="string" null="false" default="" />
		<index alias="PRIMARY" name="PRIMARY" primary="true" unique="true">
			<column key="id" collation="A" null="false" />
		</index>
		<aggregate alias="Parent" class="lbParent" local="parent" foreign="id" cardinality="one" owner="foreign" />
	</object>
</model>

{"formtabs":[{"MIGX_id":1,"caption":"","print_before_tabs":"0","fields":[{"MIGX_id":1,"field":"title","caption":"Title","description":"","description_is_code":"0","inputTV":"","inputTVtype":"","configs":"","sourceFrom":"config","sources":"[]","inputOptionValues":"","default":""},{"MIGX_id":2,"field":"null","caption":"Children","description":"","description_is_code":"0","inputTV":"","inputTVtype":"migxdb","configs":"lb_children","sourceFrom":"config","sources":"[]","inputOptionValues":"","default":""}]}],"contextmenus":"update","actionbuttons":"addItem","columnbuttons":"","filters":"[]","extended":{"migx_add":"","formcaption":"","update_win_title":"","win_id":"lb_parent","maxRecords":"","multiple_formtabs":"","extrahandlers":"","packageName":"lb_test","classname":"lbParent","task":"","getlistsort":"","getlistsortdir":"","use_custom_prefix":"0","prefix":"","grid":"","gridload_mode":1,"check_resid":"0","check_resid_TV":"","join_alias":"","getlistwhere":"","joins":"","cmpmaincaption":"","cmptabcaption":"","cmptabdescription":"","cmptabcontroller":""},"columns":[{"MIGX_id":2,"header":"Id","dataIndex":"id","width":"","sortable":"false","show_in_grid":1,"renderer":"","clickaction":"","selectorconfig":"","renderoptions":"[]"},{"MIGX_id":1,"header":"Title","dataIndex":"title","width":"","sortable":"false","show_in_grid":1,"renderer":"","clickaction":"","selectorconfig":"","renderoptions":"[]"}]}

{"formtabs":[{"MIGX_id":1,"caption":"","print_before_tabs":"0","fields":[{"MIGX_id":1,"field":"title","caption":"Title","description":"","description_is_code":"0","inputTV":"","inputTVtype":"","configs":"","sourceFrom":"config","sources":"[]","inputOptionValues":"","default":""}]}],"contextmenus":"update","actionbuttons":"addItem","columnbuttons":"","filters":"[]","extended":{"migx_add":"","formcaption":"","update_win_title":"","win_id":"lb_children","maxRecords":"","multiple_formtabs":"","extrahandlers":"","packageName":"lb_test","classname":"lbChild","task":"","getlistsort":"","getlistsortdir":"","use_custom_prefix":"0","prefix":"","grid":"","gridload_mode":2,"check_resid":1,"check_resid_TV":"","join_alias":"Parent","getlistwhere":"","joins":"","cmpmaincaption":"","cmptabcaption":"","cmptabdescription":"","cmptabcontroller":""},"columns":[{"MIGX_id":2,"header":"Id","dataIndex":"id","width":"","sortable":"false","show_in_grid":1,"renderer":"","clickaction":"","selectorconfig":"","renderoptions":"[]"},{"MIGX_id":1,"header":"Title","dataIndex":"title","width":"","sortable":"false","show_in_grid":1,"renderer":"","clickaction":"","selectorconfig":"","renderoptions":"[]"}]}

&configs=lb_parent

<?xml version="1.0" encoding="UTF-8"?>
<model package="lb_test" baseClass="xPDOObject" platform="mysql" defaultEngine="MyISAM" version="1.1">
    <object class="lbParent" table="lb_parent" extends="xPDOSimpleObject" >
		<field key="resource_id" dbtype="int" precision="10" phptype="integer" null="false" default="0" />
        <field key="title" dbtype="varchar" precision="255" phptype="string" null="false" default="" />
        <index alias="PRIMARY" name="PRIMARY" primary="true" unique="true">
            <column key="id" collation="A" null="false" />
        </index>
		<aggregate alias="Resource" class="modResource" local="resource_id" foreign="id" cardinality="one" owner="foreign" />
    </object>
    <object class="lbChild" table="lb_child" extends="xPDOSimpleObject" >
        <field key="parent" dbtype="int" precision="11" phptype="integer" null="false" default="0" />
        <field key="title" dbtype="varchar" precision="255" phptype="string" null="false" default="" />
        <index alias="PRIMARY" name="PRIMARY" primary="true" unique="true">
            <column key="id" collation="A" null="false" />
        </index>
        <aggregate alias="Parent" class="lbParent" local="parent" foreign="id" cardinality="one" owner="foreign" />
    </object>
</model>