diff --git a/src/Console/Command/CompletePaidPaymentsCommand.php b/src/Console/Command/CompletePaidPaymentsCommand.php
index bf89bdfb..70ee001d 100644
--- a/src/Console/Command/CompletePaidPaymentsCommand.php
+++ b/src/Console/Command/CompletePaidPaymentsCommand.php
@@ -65,6 +65,16 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             $token = $this->authorizeClientApi->authorize($paymentMethod);
             $details = $this->orderDetailsApi->get($token, $payPalOrderId);
 
+            // When the PayPal API call fails (e.g. 404 RESOURCE_NOT_FOUND once an
+            // uncaptured order has expired after ~3h), PayPalClient::request()
+            // silently returns the error payload instead of throwing, so the array
+            // has no "status" key. Skip those payments — an error has already been
+            // logged inside the client — rather than emitting a PHP warning on
+            // every hourly cron tick forever.
+            if (!isset($details['status'])) {
+                continue;
+            }
+
             if ($details['status'] === 'COMPLETED') {
                 $this->stateMachine->apply($payment, PaymentTransitions::GRAPH, PaymentTransitions::TRANSITION_COMPLETE);
 
diff --git a/tests/Unit/Console/Command/CompletePaidPaymentsCommandTest.php b/tests/Unit/Console/Command/CompletePaidPaymentsCommandTest.php
new file mode 100644
index 00000000..afc75304
--- /dev/null
+++ b/tests/Unit/Console/Command/CompletePaidPaymentsCommandTest.php
@@ -0,0 +1,198 @@
+<?php
+
+/*
+ * This file is part of the Sylius package.
+ *
+ * (c) Sylius Sp. z o.o.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Tests\Sylius\PayPalPlugin\Unit\Console\Command;
+
+use Doctrine\Persistence\ObjectManager;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Sylius\Abstraction\StateMachine\StateMachineInterface;
+use Sylius\Component\Core\Model\PaymentInterface;
+use Sylius\Component\Core\Model\PaymentMethodInterface;
+use Sylius\Component\Core\Repository\PaymentRepositoryInterface;
+use Sylius\Component\Payment\Model\GatewayConfigInterface;
+use Sylius\Component\Payment\PaymentTransitions;
+use Sylius\PayPalPlugin\Api\CacheAuthorizeClientApiInterface;
+use Sylius\PayPalPlugin\Api\OrderDetailsApiInterface;
+use Sylius\PayPalPlugin\Console\Command\CompletePaidPaymentsCommand;
+use Sylius\PayPalPlugin\DependencyInjection\SyliusPayPalExtension;
+use Sylius\PayPalPlugin\Payum\Action\StatusAction;
+use Symfony\Component\Console\Tester\CommandTester;
+
+final class CompletePaidPaymentsCommandTest extends TestCase
+{
+    /** @var PaymentRepositoryInterface<PaymentInterface>&MockObject */
+    private PaymentRepositoryInterface&MockObject $paymentRepository;
+
+    private ObjectManager&MockObject $paymentManager;
+
+    private CacheAuthorizeClientApiInterface&MockObject $authorizeClientApi;
+
+    private OrderDetailsApiInterface&MockObject $orderDetailsApi;
+
+    private StateMachineInterface&MockObject $stateMachine;
+
+    private CommandTester $commandTester;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->paymentRepository = $this->createMock(PaymentRepositoryInterface::class);
+        $this->paymentManager = $this->createMock(ObjectManager::class);
+        $this->authorizeClientApi = $this->createMock(CacheAuthorizeClientApiInterface::class);
+        $this->orderDetailsApi = $this->createMock(OrderDetailsApiInterface::class);
+        $this->stateMachine = $this->createMock(StateMachineInterface::class);
+
+        $this->commandTester = new CommandTester(new CompletePaidPaymentsCommand(
+            $this->paymentRepository,
+            $this->paymentManager,
+            $this->authorizeClientApi,
+            $this->orderDetailsApi,
+            $this->stateMachine,
+        ));
+    }
+
+    #[Test]
+    public function it_completes_processing_paypal_payments_whose_order_is_completed_on_paypal(): void
+    {
+        $payment = $this->createPayPalPayment(['paypal_order_id' => 'PP-ORDER-123']);
+
+        $this->paymentRepository
+            ->method('findBy')
+            ->with(['state' => PaymentInterface::STATE_PROCESSING])
+            ->willReturn([$payment])
+        ;
+
+        $this->authorizeClientApi->method('authorize')->willReturn('auth-token');
+        $this->orderDetailsApi
+            ->method('get')
+            ->with('auth-token', 'PP-ORDER-123')
+            ->willReturn(['id' => 'PP-ORDER-123', 'status' => 'COMPLETED'])
+        ;
+
+        $payment
+            ->expects($this->once())
+            ->method('setDetails')
+            ->with($this->callback(static fn (array $details): bool => ($details['status'] ?? null) === StatusAction::STATUS_COMPLETED &&
+                ($details['paypal_order_id'] ?? null) === 'PP-ORDER-123'))
+        ;
+
+        $this->stateMachine
+            ->expects($this->once())
+            ->method('apply')
+            ->with($payment, PaymentTransitions::GRAPH, PaymentTransitions::TRANSITION_COMPLETE)
+        ;
+
+        $this->paymentManager->expects($this->once())->method('flush');
+
+        $this->assertSame(0, $this->commandTester->execute([]));
+    }
+
+    #[Test]
+    public function it_skips_payments_whose_paypal_order_returned_an_error_payload_without_status_key(): void
+    {
+        // Reproduces the real-world case where a PayPal order that was never
+        // captured expires after ~3h; subsequent GET /v2/checkout/orders/{id}
+        // calls return a RESOURCE_NOT_FOUND error payload. Before this fix the
+        // command emitted a PHP warning on every hourly cron tick and the stale
+        // payment stayed processing forever.
+        $payment = $this->createPayPalPayment(['paypal_order_id' => 'PP-EXPIRED-ORDER']);
+
+        $this->paymentRepository->method('findBy')->willReturn([$payment]);
+        $this->authorizeClientApi->method('authorize')->willReturn('auth-token');
+        $this->orderDetailsApi
+            ->method('get')
+            ->willReturn([
+                'name' => 'RESOURCE_NOT_FOUND',
+                'message' => 'The specified resource does not exist.',
+                'debug_id' => 'abc123def456',
+            ])
+        ;
+
+        $this->stateMachine->expects($this->never())->method('apply');
+        $payment->expects($this->never())->method('setDetails');
+        $this->paymentManager->expects($this->once())->method('flush');
+
+        $previous = set_error_handler(static function (int $severity, string $message): bool {
+            if (str_contains($message, 'Undefined array key')) {
+                throw new \AssertionError('Unexpected PHP warning: ' . $message);
+            }
+
+            return false;
+        });
+
+        try {
+            $this->assertSame(0, $this->commandTester->execute([]));
+        } finally {
+            set_error_handler($previous);
+        }
+    }
+
+    #[Test]
+    public function it_does_not_complete_payments_whose_paypal_order_is_not_completed_yet(): void
+    {
+        $payment = $this->createPayPalPayment(['paypal_order_id' => 'PP-ORDER-APPROVED']);
+
+        $this->paymentRepository->method('findBy')->willReturn([$payment]);
+        $this->authorizeClientApi->method('authorize')->willReturn('auth-token');
+        $this->orderDetailsApi
+            ->method('get')
+            ->willReturn(['id' => 'PP-ORDER-APPROVED', 'status' => 'APPROVED'])
+        ;
+
+        $this->stateMachine->expects($this->never())->method('apply');
+        $payment->expects($this->never())->method('setDetails');
+        $this->paymentManager->expects($this->once())->method('flush');
+
+        $this->assertSame(0, $this->commandTester->execute([]));
+    }
+
+    #[Test]
+    public function it_skips_processing_payments_handled_by_a_non_paypal_gateway(): void
+    {
+        $payment = $this->createMock(PaymentInterface::class);
+        $paymentMethod = $this->createMock(PaymentMethodInterface::class);
+        $gatewayConfig = $this->createMock(GatewayConfigInterface::class);
+
+        $payment->method('getMethod')->willReturn($paymentMethod);
+        $paymentMethod->method('getGatewayConfig')->willReturn($gatewayConfig);
+        $gatewayConfig->method('getFactoryName')->willReturn('stripe');
+
+        $this->paymentRepository->method('findBy')->willReturn([$payment]);
+
+        $this->authorizeClientApi->expects($this->never())->method('authorize');
+        $this->orderDetailsApi->expects($this->never())->method('get');
+        $this->stateMachine->expects($this->never())->method('apply');
+
+        $this->assertSame(0, $this->commandTester->execute([]));
+    }
+
+    /**
+     * @param array<string, mixed> $details
+     */
+    private function createPayPalPayment(array $details): PaymentInterface&MockObject
+    {
+        $payment = $this->createMock(PaymentInterface::class);
+        $paymentMethod = $this->createMock(PaymentMethodInterface::class);
+        $gatewayConfig = $this->createMock(GatewayConfigInterface::class);
+
+        $payment->method('getMethod')->willReturn($paymentMethod);
+        $payment->method('getDetails')->willReturn($details);
+        $paymentMethod->method('getGatewayConfig')->willReturn($gatewayConfig);
+        $gatewayConfig->method('getFactoryName')->willReturn(SyliusPayPalExtension::PAYPAL_FACTORY_NAME);
+
+        return $payment;
+    }
+}