diff --git a/.ci/phpstan.neon b/.ci/phpstan.neon
index 2582567d74..e4ccccdcf6 100644
--- a/.ci/phpstan.neon
+++ b/.ci/phpstan.neon
@@ -1,7 +1,6 @@
 parameters:
   scanFiles:
-    - ../_ide_helper_models.php
-    - ../_ide_helper.php
+    - ../_ide_helper
   paths:
     - ../app
     - ../database
@@ -17,6 +16,11 @@ parameters:
     - '#Dynamic call to static method#' # all the Laravel ORM things depend on this.
     - identifier: varTag.nativeType
     - identifier: varTag.type
+    - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Relations\\HasMany::before#'
+    - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Relations\\HasMany::after#'
+    - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Relations\\HasMany::withTrashed#'
+    - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Relations\\HasMany::accountTypeIn#'
+    - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Relations\\BelongsTo::withTrashed#'
     # - '#Control structures using switch should not be used.#' # switch is fine in some cases.
     # - '#with no value type specified in iterable type array#' # remove this rule when all other issues are solved.
     # - '#has no value type specified in iterable type array#' # remove this rule when all other issues are solved.
diff --git a/app/Api/V1/Controllers/Controller.php b/app/Api/V1/Controllers/Controller.php
index 0def2dd2af..a4fa915739 100644
--- a/app/Api/V1/Controllers/Controller.php
+++ b/app/Api/V1/Controllers/Controller.php
@@ -45,7 +45,7 @@ use Symfony\Component\HttpFoundation\ParameterBag;
  * Class Controller.
  *
  * @SuppressWarnings("PHPMD.CouplingBetweenObjects")
- * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * @SuppressWarnings("PHPMD.NumberOfChildren")
  */
 abstract class Controller extends BaseController
 {
diff --git a/app/Api/V2/Controllers/Controller.php b/app/Api/V2/Controllers/Controller.php
index 2aa1462267..3891b7659e 100644
--- a/app/Api/V2/Controllers/Controller.php
+++ b/app/Api/V2/Controllers/Controller.php
@@ -48,7 +48,7 @@ use Symfony\Component\HttpFoundation\ParameterBag;
  * Class Controller
  *
  * @SuppressWarnings("PHPMD.CouplingBetweenObjects")
- * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * @SuppressWarnings("PHPMD.NumberOfChildren")
  */
 class Controller extends BaseController
 {
diff --git a/app/Console/Commands/Correction/RemovesEmptyGroups.php b/app/Console/Commands/Correction/RemovesEmptyGroups.php
index 0d68e7f1a2..9058b2f2ab 100644
--- a/app/Console/Commands/Correction/RemovesEmptyGroups.php
+++ b/app/Console/Commands/Correction/RemovesEmptyGroups.php
@@ -39,7 +39,7 @@ class RemovesEmptyGroups extends Command
     /**
      * Execute the console command.
      *
-     * @throws Exception;
+     * @throws Exception
      */
     public function handle(): int
     {
diff --git a/app/Console/Commands/Upgrade/RepairsAccountBalances.php b/app/Console/Commands/Upgrade/RepairsAccountBalances.php
index 0acebbf969..1e35520f09 100644
--- a/app/Console/Commands/Upgrade/RepairsAccountBalances.php
+++ b/app/Console/Commands/Upgrade/RepairsAccountBalances.php
@@ -70,7 +70,6 @@ class RepairsAccountBalances extends Command
 
     private function correctBalanceAmounts(): void
     {
-        return;
-        AccountBalanceCalculator::recalculateAll(true);
+        AccountBalanceCalculator::recalculateAll(false);
     }
 }
diff --git a/app/Console/Commands/Upgrade/UpgradesVariousCurrencyInformation.php b/app/Console/Commands/Upgrade/UpgradesVariousCurrencyInformation.php
index e811428a29..0156ff186e 100644
--- a/app/Console/Commands/Upgrade/UpgradesVariousCurrencyInformation.php
+++ b/app/Console/Commands/Upgrade/UpgradesVariousCurrencyInformation.php
@@ -240,7 +240,7 @@ class UpgradesVariousCurrencyInformation extends Command
 
     private function isMultiCurrency(Account $account): bool
     {
-        $value = $this->accountRepos->getMetaValue($account, 'is_multi_currency', false);
+        $value = $this->accountRepos->getMetaValue($account, 'is_multi_currency');
         if (false === $value || null === $value) {
             return false;
         }
diff --git a/app/Entities/AccountBalance.php b/app/Entities/AccountBalance.php
index 2f27ee183c..b7e6247126 100644
--- a/app/Entities/AccountBalance.php
+++ b/app/Entities/AccountBalance.php
@@ -36,7 +36,7 @@ class AccountBalance
     {
         $balance             = new self();
         $balance->id         = (string) random_int(1, 1000);
-        $balance->name       = (string) random_int(1, 1000);
+        // $balance->name       = (string) random_int(1, 1000);
         $balance->amount     = (string) random_int(1, 1000);
         $balance->currencyId = '1';
 
diff --git a/app/Http/Controllers/Controller.php b/app/Http/Controllers/Controller.php
index 265b2239f7..eacaa061f1 100644
--- a/app/Http/Controllers/Controller.php
+++ b/app/Http/Controllers/Controller.php
@@ -39,7 +39,7 @@ use Route;
  * Class Controller.
  *
  * @SuppressWarnings("PHPMD.CouplingBetweenObjects")
- * @SuppressWarnings(PHPMD.NumberOfChildren)
+ * @SuppressWarnings("PHPMD.NumberOfChildren")
  */
 abstract class Controller extends BaseController
 {
diff --git a/app/Http/Middleware/InterestingMessage.php b/app/Http/Middleware/InterestingMessage.php
index c1fea3583b..4a4ab920fe 100644
--- a/app/Http/Middleware/InterestingMessage.php
+++ b/app/Http/Middleware/InterestingMessage.php
@@ -30,6 +30,7 @@ use FireflyIII\Models\TransactionCurrency;
 use FireflyIII\Models\TransactionGroup;
 use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Models\Webhook;
+use FireflyIII\User;
 use Illuminate\Http\Request;
 
 /**
@@ -140,8 +141,10 @@ class InterestingMessage
         $accountId = $request->get('account_id');
         $message   = $request->get('message');
 
+        /** @var User $user */
+        $user = auth()->user();
         /** @var null|Account $account */
-        $account   = auth()->user()->accounts()->withTrashed()->find($accountId);
+        $account   = $user->accounts()->withTrashed()->find($accountId);
 
         if (null === $account) {
             return;
diff --git a/app/Models/TransactionJournal.php b/app/Models/TransactionJournal.php
index 371f0f6e44..fb33823f0a 100644
--- a/app/Models/TransactionJournal.php
+++ b/app/Models/TransactionJournal.php
@@ -192,7 +192,7 @@ class TransactionJournal extends Model
     /**
      * Checks if tables are joined.
      */
-    public static function isJoined(Builder $query, string $table): bool
+    public static function isJoined(EloquentBuilder $query, string $table): bool
     {
         $joins = $query->getQuery()->joins;
         foreach ($joins as $join) {
diff --git a/app/Repositories/Budget/BudgetLimitRepository.php b/app/Repositories/Budget/BudgetLimitRepository.php
index c976bb6941..1ffc36abb5 100644
--- a/app/Repositories/Budget/BudgetLimitRepository.php
+++ b/app/Repositories/Budget/BudgetLimitRepository.php
@@ -285,6 +285,7 @@ class BudgetLimitRepository implements BudgetLimitRepositoryInterface
         $currency->save();
 
         // find the budget:
+        /** @var Budget|null $budget */
         $budget                         = $this->user->budgets()->find((int) $data['budget_id']);
         if (null === $budget) {
             throw new FireflyException('200004: Budget does not exist.');
diff --git a/app/Repositories/Journal/JournalAPIRepository.php b/app/Repositories/Journal/JournalAPIRepository.php
index 617ce8a6e9..f612970d52 100644
--- a/app/Repositories/Journal/JournalAPIRepository.php
+++ b/app/Repositories/Journal/JournalAPIRepository.php
@@ -25,6 +25,7 @@ declare(strict_types=1);
 namespace FireflyIII\Repositories\Journal;
 
 use FireflyIII\Models\Attachment;
+use FireflyIII\Models\PiggyBank;
 use FireflyIII\Models\PiggyBankEvent;
 use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionJournal;
@@ -89,7 +90,7 @@ class JournalAPIRepository implements JournalAPIRepositoryInterface
         $events = $journal->piggyBankEvents()->get();
         $events->each(
             static function (PiggyBankEvent $event): void {
-                $event->piggyBank = $event->piggyBank()->withTrashed()->first();
+                $event->piggyBank = PiggyBank::withTrashed()->find($event->piggy_bank_id);
             }
         );
 
diff --git a/app/Repositories/Journal/JournalCLIRepository.php b/app/Repositories/Journal/JournalCLIRepository.php
index 53543eb70b..e5c83e891a 100644
--- a/app/Repositories/Journal/JournalCLIRepository.php
+++ b/app/Repositories/Journal/JournalCLIRepository.php
@@ -25,6 +25,7 @@ declare(strict_types=1);
 namespace FireflyIII\Repositories\Journal;
 
 use Carbon\Carbon;
+use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Support\CacheProperties;
 use FireflyIII\User;
@@ -57,7 +58,9 @@ class JournalCLIRepository implements JournalCLIRepositoryInterface
         if (null !== $budget) {
             return $budget->id;
         }
-        $budget = $journal->transactions()->first()->budgets()->first();
+        /** @var Transaction|null $transaction */
+        $transaction = $journal->transactions()->first();
+        $budget = $transaction?->budgets()->first();
         if (null !== $budget) {
             return $budget->id;
         }
@@ -74,7 +77,9 @@ class JournalCLIRepository implements JournalCLIRepositoryInterface
         if (null !== $category) {
             return $category->id;
         }
-        $category = $journal->transactions()->first()->categories()->first();
+        /** @var Transaction|null $transaction */
+        $transaction = $journal->transactions()->first();
+        $category = $transaction?->categories()->first();
         if (null !== $category) {
             return $category->id;
         }
diff --git a/app/Repositories/UserGroups/Currency/CurrencyRepositoryInterface.php b/app/Repositories/UserGroups/Currency/CurrencyRepositoryInterface.php
index b989d1aa8a..8982498eb4 100644
--- a/app/Repositories/UserGroups/Currency/CurrencyRepositoryInterface.php
+++ b/app/Repositories/UserGroups/Currency/CurrencyRepositoryInterface.php
@@ -26,6 +26,7 @@ namespace FireflyIII\Repositories\UserGroups\Currency;
 
 use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Models\TransactionCurrency;
+use FireflyIII\Models\UserGroup;
 use FireflyIII\User;
 use Illuminate\Support\Collection;
 
@@ -33,6 +34,8 @@ interface CurrencyRepositoryInterface
 {
     public function currencyInUse(TransactionCurrency $currency): bool;
 
+    public function getUserGroup(): UserGroup;
+
     /**
      * Currency is in use where exactly.
      */
diff --git a/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepository.php b/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepository.php
index 12150987ac..6c8f789670 100644
--- a/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepository.php
+++ b/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepository.php
@@ -103,4 +103,12 @@ class ExchangeRateRepository implements ExchangeRateRepositoryInterface
 
         return $object;
     }
+
+    /**
+     * @return Collection
+     */
+    #[\Override] public function getAll(): Collection
+    {
+        return $this->userGroup->currencyExchangeRates()->get();
+    }
 }
diff --git a/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepositoryInterface.php b/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepositoryInterface.php
index 3acd4d3d06..ba2c83d9aa 100644
--- a/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepositoryInterface.php
+++ b/app/Repositories/UserGroups/ExchangeRate/ExchangeRateRepositoryInterface.php
@@ -33,6 +33,8 @@ interface ExchangeRateRepositoryInterface
 {
     public function getRates(TransactionCurrency $from, TransactionCurrency $to): Collection;
 
+    public function getAll(): Collection;
+
     public function getSpecificRateOnDate(TransactionCurrency $from, TransactionCurrency $to, Carbon $date): ?CurrencyExchangeRate;
 
     public function deleteRate(CurrencyExchangeRate $rate): void;