Issue #3264606: Unable to add Acquia Account

modules/drd_pi_acquia/src/Entity/Account.php

@@ -88,14 +88,14 @@ class Account extends DrdPiAccount implements AccountInterface {
    * {@inheritdoc}
    */
   public function getEmail(): string {
-    return $this->get('email');
+    return $this->get('email') ?? '';
   }
 
   /**
    * {@inheritdoc}
    */
   public function getPrivateKey(): string {
-    return $this->getDecrypted('private_key');
+    return $this->getDecrypted('private_key') ?? '';
   }
 
   /**