diff --git a/.github/workflows/lint-and-analyse-php.yml b/.github/workflows/lint-and-analyse-php.yml
index ce224a2d..69678477 100644
--- a/.github/workflows/lint-and-analyse-php.yml
+++ b/.github/workflows/lint-and-analyse-php.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: [ '7.4' ]
+        php-version: [ '7.2' ]
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
diff --git a/src/Tools/CustomJsonSerializer.php b/src/Tools/CustomJsonSerializer.php
index a46d4916..e532b96b 100644
--- a/src/Tools/CustomJsonSerializer.php
+++ b/src/Tools/CustomJsonSerializer.php
@@ -9,6 +9,7 @@
 use Zumba\JsonSerializer\JsonSerializer;
 
 use function in_array;
+use function method_exists;
 
 use const PHP_VERSION_ID;
 
@@ -45,6 +46,7 @@ class CustomJsonSerializer extends JsonSerializer
         'EVENT_OPTIONS',
         'USER_OPTIONS',
         'asciiMap',
+        'trace',
     ];
 
     /**
@@ -65,11 +67,15 @@ protected function extractObjectData($value, $ref, $properties)
             }
 
             try {
-                $propRef = $ref->getProperty($property);
+                $propRef = $this->getReflectionProperty($ref, $property);
                 if (PHP_VERSION_ID < 80100) {
                     $propRef->setAccessible(true);
                 }
 
+                if (method_exists($propRef, 'isInitialized') && ! $propRef->isInitialized($value)) {
+                    continue;
+                }
+
                 $data[$property] = $propRef->getValue($value);
             } catch (ReflectionException $e) {
                 $data[$property] = $value->$property;
diff --git a/tests/data/parser/parseExplain14.out b/tests/data/parser/parseExplain14.out
index 63fe473a..998de84d 100644
--- a/tests/data/parser/parseExplain14.out
+++ b/tests/data/parser/parseExplain14.out
@@ -220,7 +220,9 @@
                             "message": "Unrecognized statement type.",
                             "code": 0,
                             "file": "<project-root>/src/Parser.php",
-                            "line": 628
+                            "line": 628,
+                            "string": "",
+                            "previous": null
                         }
                     ]
                 },
diff --git a/tests/data/parser/parseExplainErr1.out b/tests/data/parser/parseExplainErr1.out
index ef5cc35a..04ed97e7 100644
--- a/tests/data/parser/parseExplainErr1.out
+++ b/tests/data/parser/parseExplainErr1.out
@@ -137,7 +137,9 @@
                             "message": "An expression was expected.",
                             "code": 0,
                             "file": "<project-root>/src/Parser.php",
-                            "line": 628
+                            "line": 628,
+                            "string": "",
+                            "previous": null
                         },
                         {
                             "@type": "PhpMyAdmin\\SqlParser\\Exceptions\\ParserException",
@@ -147,7 +149,9 @@
                             "message": "An expression was expected.",
                             "code": 0,
                             "file": "<project-root>/src/Parser.php",
-                            "line": 628
+                            "line": 628,
+                            "string": "",
+                            "previous": null
                         }
                     ]
                 },