Replace missing methods.

app/Repositories/Account/AccountRepository.php

@@ -65,6 +65,12 @@ class AccountRepository implements AccountRepositoryInterface, UserGroupInterfac
         return true;
     }
 
+    #[\Override]
+    public function getAccountBalances(Account $account): Collection
+    {
+        return $account->accountBalances;
+    }
+
     /**
      * Find account with same name OR same IBAN or both, but not the same type or ID.
      */

app/Repositories/Account/AccountRepositoryInterface.php

@@ -52,6 +52,7 @@ interface AccountRepositoryInterface
      * Moved here from account CRUD.
      */
     public function count(array $types): int;
+    public function getAccountBalances(Account $account): Collection;
 
     /**
      * Moved here from account CRUD.