fixed label

Civi/DataProcessor/FieldOutputHandler/ContributionCountFieldOutputHandler.php

@@ -65,6 +65,17 @@ class ContributionCountFieldOutputHandler extends AbstractSimpleFieldOutputHandl
     return $output;
   }
 
+  /**
+   * Returns the label of the field for selecting a field.
+   *
+   * This could be override in a child class.
+   *
+   * @return string
+   */
+  protected function getFieldTitle() {
+    return E::ts('Contact ID Field');
+  }
+
   /**
    * When this handler has configuration specify the template file name
    * for the configuration form.