Modified Magento\CatalogRule\Block\Adminhtml\Promo\Widget\Chooser\Sku::getGridUrl() method. Route "module" part replaced by asterix symbol, which allow correct use this bock in "rules" logic in other modules (generate grid urls related to their own controllers which can fix some ACL conflicts).

Author: Pavel

app/code/Magento/CatalogRule/Block/Adminhtml/Promo/Widget/Chooser/Sku.php

@@ -207,7 +207,7 @@ protected function _prepareColumns()
     public function getGridUrl()
     {
         return $this->getUrl(
-            'catalog_rule/*/chooser',
+            '*/*/chooser',
             ['_current' => true, 'current_grid_id' => $this->getId(), 'collapse' => null]
         );
     }