diff --git a/src/Command/CreateCustomerFromWarrantyCommand.php b/src/Command/CreateCustomerFromWarrantyCommand.php
index 8265b97e..ddc6d3a4 100644
--- a/src/Command/CreateCustomerFromWarrantyCommand.php
+++ b/src/Command/CreateCustomerFromWarrantyCommand.php
@@ -87,14 +87,17 @@ class CreateCustomerFromWarrantyCommand extends Command
         // get all warranties
         error_log('Getting warranties...');
         $warr_q = $this->em->createQuery('select w from App\Entity\Warranty w where w.mobile_number is not null');
-        $warranties = $warr_q->getResult();
+        $warranties = $warr_q->iterate();
+        // $warranties = $warr_q->getResult();
         // $warranties = $this->em->getRepository(Warranty::class)->findAll();
 
         $invalid_warranties = [];
-        $warr_count = count($warranties);
-        $output->writeln("Processing $warr_count warranties... ");
-        foreach($warranties as $warr)
-        { 
+        // $warr_count = count($warranties);
+        $output->writeln("Processing warranties... ");
+        foreach($warranties as $row)
+        {
+            $warr = $row[0];
+
             $total_warr++;
             // check if warranty mobile already exists in customer
             $w_mobile = $warr->getMobileNumber();
@@ -209,6 +212,7 @@ class CreateCustomerFromWarrantyCommand extends Command
                     */
                 }
             }
+            $this->em->clear();
         }
 
         /*