// Begin a transaction
        $this->begin();

        // Apply all credits
        foreach ($apply_amounts as $transaction_id => $trans_amounts) {
            $this->apply($transaction_id, ['amounts' => $trans_amounts]);

            if (($errors = $this->errors())) {
                // Roll back
                $this->rollBack();
                return;
            }
        }

        // Commit transaction
        $this->commit();

        // Apply all credits
        $last_transaction_id = null;
        $errors = null;
        foreach ($apply_amounts as $transaction_id => $trans_amounts) {
            $this->apply($transaction_id, ['amounts' => $trans_amounts]);

            if (($errors = $this->errors())) {
                break;
            }
            $last_transaction_id = $transaction_id;
        }

        if ($errors && $last_transaction_id) {
            foreach ($apply_amounts as $transaction_id => $trans_amounts) {
                $invoice_ids = array_map(function ($value) { return $value['invoice_id']; }, $trans_amounts);
                $this->unapply($transaction_id, $invoice_ids);

                if ($last_transaction_id == $transaction_id) {
                    break;
                }
            }
        }