diff --git a/vendor/magento/framework/Serialize/Serializer/Json.php b/vendor/magento/framework/Serialize/Serializer/Json.php
--- a/vendor/magento/framework/Serialize/Serializer/Json.php
+++ b/vendor/magento/framework/Serialize/Serializer/Json.php
@@ -23,7 +23,13 @@
     {
         $result = json_encode($data);
         if (false === $result) {
-            throw new \InvalidArgumentException("Unable to serialize value. Error: " . json_last_error_msg());
+            $backtrace = sprintf(
+                '%s||%s||%s',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['function'] ?? 'unknown backtrace function',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['class'] ?? 'unknown backtrace class',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['file'] ?? 'unknown backtrace file',
+            );
+            throw new \InvalidArgumentException("Unable to serialize value. Error: " . json_last_error_msg() . ' -- ' . $backtrace);
         }
         return $result;
     }
@@ -35,14 +41,26 @@
     public function unserialize($string)
     {
         if ($string === null) {
+            $backtrace = sprintf(
+                '%s||%s||%s',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['function'] ?? 'unknown backtrace function',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['class'] ?? 'unknown backtrace class',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['file'] ?? 'unknown backtrace file',
+            );
             throw new \InvalidArgumentException(
-                'Unable to unserialize value. Error: Parameter must be a string type, null given.'
+                'Unable to unserialize value. Error: Parameter must be a string type, null given.' . ' -- ' . $backtrace
             );
         }
         $result = json_decode($string, true);

         if (json_last_error() !== JSON_ERROR_NONE) {
-            throw new \InvalidArgumentException("Unable to unserialize value. Error: " . json_last_error_msg());
+            $backtrace = sprintf(
+                '%s||%s||%s',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['function'] ?? 'unknown backtrace function',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['class'] ?? 'unknown backtrace class',
+                debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS,2)[1]['file'] ?? 'unknown backtrace file',
+            );
+            throw new \InvalidArgumentException("Unable to unserialize value. Error: " . json_last_error_msg() . ' -- ' . $backtrace);
         }
         return $result;
     }