// @DO - workaround until Boomi is hopefully fixed

diff --git a/vendor/magento/framework/Webapi/ServiceInputProcessor.php b/vendor/magento/framework/Webapi/ServiceInputProcessor.php
--- a/vendor/magento/framework/Webapi/ServiceInputProcessor.php
+++ b/vendor/magento/framework/Webapi/ServiceInputProcessor.php	(date 1677269658058)
@@ -265,6 +265,9 @@
     protected function _createFromArray($className, $data)
     {
         $data = is_array($data) ? $data : [];
+        if (isset($data['customAttributes'][0]['attributeCode']) && $data['customAttributes'][0]['attributeCode'] === 'category_ids') {
+            unset($data['customAttributes'][0]);
+        }
         // convert to string directly to avoid situations when $className is object
         // which implements __toString method like \ReflectionObject
         $className = (string) $className;