From 2c4eedbf8b76bb7434a4be955248014eb5dcf2ae Mon Sep 17 00:00:00 2001
From: Anthony Axenov <anthonyaxenov@gmail.com>
Date: Sun, 13 Aug 2023 11:00:40 +0800
Subject: [PATCH] When collection has no vars then dont try to collect them

(cherry picked from commit ee7528186f69e811b1b4db8e69ea2e4ec0ea2613)
---
 src/Exporters/Abstract/AbstractConverter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Exporters/Abstract/AbstractConverter.php b/src/Exporters/Abstract/AbstractConverter.php
index 2c7f620..b5c15c2 100644
--- a/src/Exporters/Abstract/AbstractConverter.php
+++ b/src/Exporters/Abstract/AbstractConverter.php
@@ -71,7 +71,7 @@ abstract class AbstractConverter implements ConverterContract
      */
     protected function setVariables(): static
     {
-        if ($this->collection->variable) {
+        if (isset($this->collection?->variable)) {
             foreach ($this->collection->variable as $var) {
                 $this->vars["{{{$var->key}}}"] = $var->value;
             }