	private function _adduser( $option, $tableAlias = '' ) {
		$tableAlias = ( !empty( $tableAlias ) ? $tableAlias . '.' : '' );
		$this->addSelect(
			[
				$tableAlias . 'revactor_actor',
			]
		);
	}
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.