Removed some unnecessary methods.

app/Repositories/Account/AccountRepository.php

@@ -323,7 +323,8 @@ class AccountRepository implements AccountRepositoryInterface
     {
         $journal = TransactionJournal
             ::orderBy('transaction_journals.date', 'ASC')
-            ->accountIs($account)
+            ->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
+            ->where('transactions.account_id', $account->id)
             ->transactionTypes([TransactionType::OPENING_BALANCE])
             ->orderBy('created_at', 'ASC')
             ->first(['transaction_journals.*']);