diff --git a/app/Api/V1/Controllers/Models/PiggyBank/UpdateController.php b/app/Api/V1/Controllers/Models/PiggyBank/UpdateController.php
index 94a6d2e022..ba53793505 100644
--- a/app/Api/V1/Controllers/Models/PiggyBank/UpdateController.php
+++ b/app/Api/V1/Controllers/Models/PiggyBank/UpdateController.php
@@ -68,10 +68,6 @@ class UpdateController extends Controller
         $data        = $request->getAll();
         $piggyBank   = $this->repository->update($piggyBank, $data);
 
-        if (array_key_exists('current_amount', $data) && '' !== $data['current_amount']) {
-            $this->repository->setCurrentAmount($piggyBank, $data['current_amount']);
-        }
-
         // enrich
         /** @var User $admin */
         $admin       = auth()->user();
diff --git a/app/Api/V1/Requests/Models/Transaction/UpdateRequest.php b/app/Api/V1/Requests/Models/Transaction/UpdateRequest.php
index 7a2d0a7be4..023a48169e 100644
--- a/app/Api/V1/Requests/Models/Transaction/UpdateRequest.php
+++ b/app/Api/V1/Requests/Models/Transaction/UpdateRequest.php
@@ -64,7 +64,7 @@ class UpdateRequest extends FormRequest
      */
     public function getAll(): array
     {
-        app('log')->debug(sprintf('Now in %s', __METHOD__));
+        Log::debug(sprintf('Now in %s', __METHOD__));
         $this->integerFields  = ['order', 'currency_id', 'foreign_currency_id', 'transaction_journal_id', 'source_id', 'destination_id', 'budget_id', 'category_id', 'bill_id', 'recurrence_id'];
         $this->dateFields     = ['date', 'interest_date', 'book_date', 'process_date', 'due_date', 'payment_date', 'invoice_date'];
         $this->textareaFields = ['notes'];
@@ -97,7 +97,7 @@ class UpdateRequest extends FormRequest
      */
     private function getTransactionData(): array
     {
-        app('log')->debug(sprintf('Now in %s', __METHOD__));
+        Log::debug(sprintf('Now in %s', __METHOD__));
         $return       = [];
 
         /** @var null|array $transactions */
@@ -181,7 +181,7 @@ class UpdateRequest extends FormRequest
     private function getDateData(array $current, array $transaction): array
     {
         foreach ($this->dateFields as $fieldName) {
-            app('log')->debug(sprintf('Now at date field %s', $fieldName));
+            Log::debug(sprintf('Now at date field %s', $fieldName));
             if (array_key_exists($fieldName, $transaction)) {
                 Log::debug(sprintf('New value: "%s"', $transaction[$fieldName]));
                 $current[$fieldName] = $this->dateFromValue((string) $transaction[$fieldName]);
@@ -247,7 +247,7 @@ class UpdateRequest extends FormRequest
      */
     public function rules(): array
     {
-        app('log')->debug(sprintf('Now in %s', __METHOD__));
+        Log::debug(sprintf('Now in %s', __METHOD__));
         $validProtocols = config('firefly.valid_url_protocols');
 
         return [
@@ -330,7 +330,7 @@ class UpdateRequest extends FormRequest
      */
     public function withValidator(Validator $validator): void
     {
-        app('log')->debug('Now in withValidator');
+        Log::debug('Now in withValidator');
 
         /** @var TransactionGroup $transactionGroup */
         $transactionGroup = $this->route()->parameter('transactionGroup');
diff --git a/app/Factory/PiggyBankFactory.php b/app/Factory/PiggyBankFactory.php
index 40455001d3..bc6b9f9f8a 100644
--- a/app/Factory/PiggyBankFactory.php
+++ b/app/Factory/PiggyBankFactory.php
@@ -242,7 +242,7 @@ class PiggyBankFactory
                 }
             }
         }
-
+        Log::debug('Looping all accounts.');
         /** @var array $info */
         foreach ($accounts as $info) {
             $account = $this->accountRepository->find((int)($info['account_id'] ?? 0));
@@ -251,6 +251,7 @@ class PiggyBankFactory
 
                 continue;
             }
+            Log::debug(sprintf('Working on account #%d', $account->id));
             if (array_key_exists('current_amount', $info) && null !== $info['current_amount']) {
                 // an amount is set, first check out if there is a difference with the previous amount.
                 $previous                 = $toBeLinked[$account->id]['current_amount'] ?? '0';
@@ -258,22 +259,24 @@ class PiggyBankFactory
 
                 // create event for difference.
                 if (0 !== bccomp($diff, '0')) {
+                    // 2025-10-01 for issue #10990 disable this event.
                     Log::debug(sprintf('[a] Will save event for difference %s (previous value was %s)', $diff, $previous));
-                    event(new ChangedAmount($piggyBank, $diff, null, null));
+                    // event(new ChangedAmount($piggyBank, $diff, null, null));
                 }
 
                 $toBeLinked[$account->id] = ['current_amount' => $info['current_amount']];
                 Log::debug(sprintf('[a] Will link account #%d with amount %s', $account->id, $info['current_amount']));
             }
             if (array_key_exists('current_amount', $info) && null === $info['current_amount']) {
-                // an amount is set, first check out if there is a difference with the previous amount.
+                // no amount is set, first check out if there is a difference with the previous amount.
                 $previous                 = $toBeLinked[$account->id]['current_amount'] ?? '0';
                 $diff                     = bcsub('0', $previous);
 
                 // create event for difference.
                 if (0 !== bccomp($diff, '0')) {
+                    // 2025-10-01 for issue #10990 disable this event.
                     Log::debug(sprintf('[b] Will save event for difference %s (previous value was %s)', $diff, $previous));
-                    event(new ChangedAmount($piggyBank, $diff, null, null));
+                    // event(new ChangedAmount($piggyBank, $diff, null, null));
                 }
 
                 // no amount set, use previous amount or go to ZERO.
@@ -282,7 +285,8 @@ class PiggyBankFactory
 
                 // create event:
                 Log::debug('linkToAccountIds: Trigger change for positive amount [b].');
-                event(new ChangedAmount($piggyBank, $toBeLinked[$account->id]['current_amount'] ?? '0', null, null));
+                // 2025-10-01 for issue #10990 disable this event.
+                // event(new ChangedAmount($piggyBank, $toBeLinked[$account->id]['current_amount'] ?? '0', null, null));
             }
             if (!array_key_exists('current_amount', $info)) {
                 $toBeLinked[$account->id] ??= [];
diff --git a/app/Repositories/PiggyBank/ModifiesPiggyBanks.php b/app/Repositories/PiggyBank/ModifiesPiggyBanks.php
index e63da28927..734cfe8b0f 100644
--- a/app/Repositories/PiggyBank/ModifiesPiggyBanks.php
+++ b/app/Repositories/PiggyBank/ModifiesPiggyBanks.php
@@ -36,6 +36,7 @@ use FireflyIII\Models\Transaction;
 use FireflyIII\Models\TransactionJournal;
 use FireflyIII\Repositories\ObjectGroup\CreatesObjectGroups;
 use FireflyIII\Support\Facades\Amount;
+use FireflyIII\Support\Facades\Steam;
 use FireflyIII\Support\Http\Api\ExchangeRateConverter;
 use Illuminate\Support\Facades\Log;
 
@@ -227,7 +228,6 @@ trait ModifiesPiggyBanks
         $factory->user = $this->user;
 
         // the piggy bank currency is set or updated FIRST, if it exists.
-
         $factory->linkToAccountIds($piggyBank, $data['accounts'] ?? []);
 
 
@@ -244,7 +244,7 @@ trait ModifiesPiggyBanks
 
             // question is, from which account(s) to remove the difference?
             // solution: just start from the top until there is no more money left to remove.
-            $this->removeAmountFromAll($piggyBank, app('steam')->positive($difference));
+            $this->removeAmountFromAll($piggyBank, Steam::positive($difference));
         }
 
         // update using name: