#422: Adding Conditions Combination to Conditions Filter Will Cause Server Errors, Condition Filter to Break, & Infinite Loading Mask - The Combine Condition rule needs to have children, if does not have, we cannot parse the rule in the backend

Author: Lukasz Borowiec

app/code/Magento/PageBuilder/view/adminhtml/web/js/form/provider/conditions-data-processor.js

@@ -26,11 +26,22 @@ define([
             if (key.indexOf('parameters[' + attribute + ']') === 0) {
                 // Remove the bad, un-normalized data.
                 delete data[key];
-
                 pairs[key] = element;
             }
         });
 
+       /*
+        * The Combine Condition rule needs to have children,
+        * if does not have, we cannot parse the rule in the backend.
+        */
+        _.each(pairs, function (element, key) {
+            if ((element === 'Magento\\CatalogWidget\\Model\\Rule\\Condition\\Combine')
+                // Check if The Combine Condition Rule has children
+                && pairs['parameters[condition_source][' + key.match(/([\d?-])+/g)[0] + '--1][type]'] === undefined) {
+               pairs[key] = '';
+            }
+        });
+
         /*
          * Add pairs in case conditions source is not rules configurator
          */