Modx not adding records to a related table.

	<object class="ContractBudgets" table="contract_budgets" 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="budget_type_id" dbtype="int" precision="8" phptype="integer" null="false" index="index" />
		<field key="contract_id" dbtype="int" precision="8" phptype="integer" null="false" index="index" />
		<field key="budget_f1" dbtype="decimal" precision="12,2" phptype="float" null="false" />
		<field key="budget_f2" dbtype="decimal" precision="12,2" phptype="float" null="false" />
		<field key="comment" dbtype="longtext" phptype="string" null="true" />
		
		<aggregate alias="Contracts" class="Contracts" local="contract_id" foreign="id" cardinality="one" owner="foreign" />
		
	</object>

	<object class="Contracts" table="contracts" 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="status_id" dbtype="int" precision="8" phptype="integer" null="true" index="index" />
		<field key="location_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="client_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="employer_id" dbtype="int" precision="8" phptype="integer" null="false" />
		<field key="program_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="false" />
		<field key="start_date" dbtype="date" phptype="date" null="false" />
		<field key="end_date" dbtype="date" phptype="date" null="false" />
		<field key="start_balance" dbtype="decimal" precision="12,2" phptype="float" null="false" />
		<field key="end_balance" dbtype="decimal" precision="12,2" phptype="float" null="true" />
		<field key="comment" dbtype="longtext" phptype="string" null="true" />
		
		<aggregate alias="StatusFlags" class="StatusFlags" local="status_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Locations" class="Locations" local="location_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Clients" class="Clients" local="client_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Employers" class="Employers" local="employer_id" foreign="id" cardinality="one" owner="foreign" />
		<aggregate alias="Programs" class="Programs" local="program_id" foreign="id" cardinality="one" owner="foreign" />		
		
		<composite alias="ContractBudgets" class="ContractBudgets" local="id" foreign="contract_id" cardinality="many" owner="local" />		

	</object>

 /**
* Generic add data to database function
*
* @access public
* @param string $scriptProperties The properties for the snippet
* @param string $hook a reference to the formit hook data
* @return  
*
*/
	public function createDatabaseEntry($scriptProperties, & $hook){
		
		//print_r($scriptProperties);exit();
		
		$table = ucfirst($scriptProperties['table']);
		
		$formfields = $hook->getValues();
		
		///echo '<pre>';print_r($formfields);echo '</pre>';exit();
				
		$newData = $this->modx->newObject($table);
		
		foreach($formfields as $key => $value){
			
			$newData->set($key,$value);
		
		}
		
		if(!$newData->save()){
			
			$mess = $this->modx->lexicon('modflowthrough.add_'.$table.'_failed');
			$this->modx->setPlaceholder('message_error',$mess);
			return false;
			
		}else{
			
			$mess = $this->modx->lexicon('modflowthrough.add_'.$table.'_success');
			$this->modx->setPlaceholder('message_success',$mess);
			
		}
		
		return true;

	} // end createDatabaseEntry

$user = $modx->newObject('modUser');
/* set user fields here */
$profile = $modx->newObject('modUserProfile');
/* set profile fields here */
$user->addOne($profile);
$user->save();

[2014-02-25 21:49:43] (WARN @ /index.php) Foreign key definition for class , alias ContractBudget not found, or cardinality is not 'one'. 

[2014-02-25 21:49:43] (WARN @ /index.php) Could not add related object! 

Array ( [id] => [created] => 2014-02-25 21:49:43 [modified] => [budget_type_id] => 2 [contract_id] => [budget_f1] => 99.99 [budget_f2] => 99.99 [comment] => [nospam:blank] => [requester_uid] => 1 [program_id] => 1 [status_id] => 2 [location_id] => 9 [client_id] => 3 [employer_id] => 3 [start_balance_f1] => 999.99 [start_balance_f2] => 999.99 [start_date] => 2014-02-05 [end_date] => 2014-02-07 [submit] => [nospam] => ) 

$tvs = array();
$tv = $modx->newObject('modTemplateVar');
$template = $modx->newObject('modTemplate');

$tvs[] = $tv;
$template->addMany($tvs);