Why is this giving me a non-object error?

$newData = $this->modx->newObject('FundRequest');

		foreach($formfields as $key => $value){			
			
			$newData->set($key,$value);			
					
		}	
				
		$comment = !empty($formfields['comment']) ? $formfields['comment'] : 'none';
		
		if($comment != 'none'){

				$newComment = $this->modx->newObject('FundComment');
				$newComment->set('comment',$comment);	
				$newdata->addOne($newComment);
		}

		$newData->save();

	<object class="FundRequest" table="fund_request" extends="xPDOSimpleObject">
		<field key="created" dbtype="timestamp" phptype="timestamp" null="false" default="CURRENT_TIMESTAMP"  extra="on update current_timestamp" />
		<field key="modified" dbtype="timestamp" phptype="timestamp" null="false" default="0000-00-00 00:00:00" />
		<field key="token" dbtype="varchar" precision="50" phptype="string" null="true" />
		<field key="unixtime" dbtype="varchar" precision="50" phptype="string" null="true" />
		<field key="status_id" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="program_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="contract_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="requester_uid" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="approver_uid" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="payee_uid" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="budget_type_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="category_id" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="comment_id" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="amount" dbtype="decimal" precision="12,2" phptype="float" null="false" />
		<field key="payment_reference" dbtype="varchar" precision="250" phptype="string" null="false" />
		<field key="method_paid" dbtype="int" precision="8" phptype="integer" null="true" />
		<field key="request_date" dbtype="date" phptype="date" null="false" />
		<field key="approved_date" dbtype="date" phptype="date" null="true" />
		<field key="paid_date" dbtype="date" phptype="date" null="true" />
		<!--field key="comments" dbtype="longtext" phptype="string" null="true" /-->
		
		<aggregate alias="StatusFlag" class="StatusFlag" local="status_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="FundCategory" class="FundCategory" local="category_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="BudgetType" class="BudgetType" local="budget_type_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Program" class="Program" local="program_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Contract" class="Contract" local="contract_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Employer" class="Employer" local="payee_uid" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="PaymentMethod" class="PaymentMethod" local="method_paid" foreign="id" cardinality="one" owner="foreign" />

		<composite alias="FundLog" class="FundLog" local="id" foreign="request_id" cardinality="many" owner="local" />		
		<composite alias="FundComment" class="FundComment" local="id" foreign="request_id" cardinality="many" owner="local" />		
		
	</object>	

	<object class="FundComment" table="fund_comment" extends="xPDOSimpleObject">
		<field key="created" dbtype="timestamp" phptype="timestamp" null="true" default="CURRENT_TIMESTAMP"  extra="on update current_timestamp" />
		<field key="modified" dbtype="timestamp" phptype="timestamp" null="true" />
		<field key="comment" dbtype="text" phptype="string" null="false" />
		<field key="request_id" dbtype="text" phptype="string" null="true" />
		
		<aggregate alias="FundComment" class="FundComment" local="request_id" foreign="id" cardinality="one" owner="foreign" />

	</object>

    <!--field key="comments" dbtype="longtext" phptype="string" null="true" /-->

<aggregate alias="FundRequest" class="FundRequest" local="request_id" foreign="id" cardinality="one" owner="foreign" />