AC-7567::Abandoned Carts report export to CSV is failing with exception

Author: Shradha Jain

app/code/Magento/Backend/Block/Widget/Grid/Extended.php

@@ -1067,10 +1067,11 @@ public function getCsv()
             $data = [];
             foreach ($this->getColumns() as $column) {
                 if (!$column->getIsSystem()) {
+                    $exportField = (string)$column->getRowFieldExport($item);
                     $data[] = '"' . str_replace(
                         ['"', '\\'],
                         ['""', '\\\\'],
-                        $column->getRowFieldExport($item) ?: ''
+                        $exportField ?: ''
                     ) . '"';
                 }
             }