MAGETWO-81311: Check the length of the array before attempting to slice it. Slicing an array of one will create an empty result. Issue: 9944

Author: briscoda

app/code/Magento/Ui/view/base/web/js/form/element/abstract.js

@@ -119,7 +119,7 @@ define([
             this._super();
 
             scope = this.dataScope;
-            name = scope.split('.').slice(1);
+            name = (scope.split('.').length > 1) ? scope.split('.').slice(1) : scope.split('.');
 
             valueUpdate = this.showFallbackReset ? 'afterkeydown' : this.valueUpdate;