Could you point  how to handle Undefined Offset Error in Laravel?

Hi Experts

Could you point  how to handle Undefined Offset Error in Laravel?

This code:

        $registros = array();

        for($indexDistribuidor = 0; $indexDistribuidor<count($metas); $indexDistribuidor += 12){
            $item = array();
            array_push($item, $metas[$indexDistribuidor]->razaosocial);
            array_push($item, $metas[$indexDistribuidor]->cnpj);
            for($indexMes = 0; $indexMes < 12; $indexMes++){
                array_push($item, $metas[$indexDistribuidor + $indexMes]->meta);
            }

            array_push($item, $metas[$indexDistribuidor]->distribuidor_id);
            array_push($item, $ano);

            array_push($registros, $item);
        }

        return $registros;
		

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During the foreach the array of objects is correctly been mounted.

But at certain point this offset error is produced:

 
Any workaround?

Thanks in advance.