diff --git a/inc/Smartling/ApiWrapper.php b/inc/Smartling/ApiWrapper.php
index 25425ca8..2fd6ba5c 100644
--- a/inc/Smartling/ApiWrapper.php
+++ b/inc/Smartling/ApiWrapper.php
@@ -103,7 +103,7 @@ private function getAuthProvider(ConfigurationProfileEntity $profile): AuthToken
         return $authProvider;
     }
 
-    public function acquireLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime
+    public function acquireLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime
     {
         return DistributedLockServiceApi::create($this->getAuthProvider($profile), $profile->getProjectId(), new NullLogger())
             ->acquireLock("{$profile->getProjectId()}-$key", $ttlSeconds);
@@ -125,7 +125,7 @@ public function getSourceLocale(ConfigurationProfileEntity $profile): string
         return $details['sourceLocaleId'];
     }
 
-    public function renewLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime
+    public function renewLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime
     {
         return DistributedLockServiceApi::create($this->getAuthProvider($profile), $profile->getProjectId(), $this->getLogger())
             ->renewLock("{$profile->getProjectId()}-$key", $ttlSeconds);
diff --git a/inc/Smartling/ApiWrapperInterface.php b/inc/Smartling/ApiWrapperInterface.php
index 3cec18ad..dfce0609 100644
--- a/inc/Smartling/ApiWrapperInterface.php
+++ b/inc/Smartling/ApiWrapperInterface.php
@@ -48,14 +48,14 @@ interface ApiWrapperInterface
     /**
      * @throws SmartlingApiException
      */
-    public function acquireLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime;
+    public function acquireLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime;
 
     public function getSourceLocale(ConfigurationProfileEntity $profile): string;
 
     /**
      * @throws SmartlingApiException
      */
-    public function renewLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime;
+    public function renewLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime;
 
     /**
      * @throws SmartlingApiException
diff --git a/inc/Smartling/ApiWrapperWithRetries.php b/inc/Smartling/ApiWrapperWithRetries.php
index dcbece89..ecf32543 100644
--- a/inc/Smartling/ApiWrapperWithRetries.php
+++ b/inc/Smartling/ApiWrapperWithRetries.php
@@ -23,7 +23,7 @@ public function __construct(private ApiWrapperInterface $base, private int $retr
     {
     }
 
-    public function acquireLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime
+    public function acquireLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime
     {
         return $this->withRetry(function () use ($profile, $key, $ttlSeconds) {
             return $this->base->acquireLock($profile, $key, $ttlSeconds);
@@ -37,7 +37,7 @@ public function getSourceLocale(ConfigurationProfileEntity $profile): string
         });
     }
 
-    public function renewLock(ConfigurationProfileEntity $profile, string $key, int $ttlSeconds): \DateTime
+    public function renewLock(ConfigurationProfileEntity $profile, string $key, float $ttlSeconds): \DateTime
     {
         return $this->withRetry(function () use ($profile, $key, $ttlSeconds) {
             return $this->base->renewLock($profile, $key, $ttlSeconds);
diff --git a/inc/Smartling/ContentTypes/Elementor/ElementAbstract.php b/inc/Smartling/ContentTypes/Elementor/ElementAbstract.php
index c2dd8084..aef00331 100644
--- a/inc/Smartling/ContentTypes/Elementor/ElementAbstract.php
+++ b/inc/Smartling/ContentTypes/Elementor/ElementAbstract.php
@@ -193,7 +193,6 @@ public function setTargetContent(
         }
         $this->raw['elements'] = $this->elements;
         foreach ($info->getOwnRelatedContent($this->id) as $path => $content) {
-            assert($content instanceof Content);
             $this->raw = $this->setRelations($content, $externalContentElementor, $path, $submission)->toArray();
         }
 
diff --git a/inc/Smartling/DbAl/WordpressContentEntities/PostEntityStd.php b/inc/Smartling/DbAl/WordpressContentEntities/PostEntityStd.php
index e4b0a133..efea6be5 100644
--- a/inc/Smartling/DbAl/WordpressContentEntities/PostEntityStd.php
+++ b/inc/Smartling/DbAl/WordpressContentEntities/PostEntityStd.php
@@ -103,7 +103,7 @@ public function getContentTypeProperty(): string
 
     public function getEditLink(): ?string
     {
-        return $this->wordpressFunctionProxyHelper->get_edit_post_link($this->ID);
+        return $this->wordpressFunctionProxyHelper->get_edit_post_link($this->ID, 'edit');
     }
 
     public function getId(): ?int
diff --git a/inc/Smartling/WP/Table/QueueManagerTableWidget.php b/inc/Smartling/WP/Table/QueueManagerTableWidget.php
index 7a7333a0..5bc497eb 100644
--- a/inc/Smartling/WP/Table/QueueManagerTableWidget.php
+++ b/inc/Smartling/WP/Table/QueueManagerTableWidget.php
@@ -16,6 +16,7 @@
 use Smartling\Settings\ConfigurationProfileEntity;
 use Smartling\Settings\SettingsManager;
 use Smartling\Submissions\SubmissionManager;
+use Smartling\Vendor\GuzzleHttp\Exception\RequestException;
 use Smartling\Vendor\Smartling\Exceptions\SmartlingApiException;
 use Smartling\WP\Controller\ConfigurationProfilesController;
 use Smartling\WP\Controller\SmartlingListTable;
@@ -260,13 +261,25 @@ private function queuePurgeLink(bool $isQueueEmpty, string $queueName): string
 
     private function getRunningMessage(SmartlingApiException $e): string
     {
-        if (count($e->getErrorsByKey('resource.locked')) > 0) {
+        if ($this->isResourceLocked($e)) {
             return self::MESSAGE_RUNNING;
         }
 
         return '<strong>' . __('API error (check credentials)') . ':</strong> ' . esc_html($e->getMessage());
     }
 
+    private function isResourceLocked(SmartlingApiException $e): bool
+    {
+        if (count($e->getErrorsByKey('resource.locked')) > 0) {
+            return true;
+        }
+
+        $previous = $e->getPrevious();
+        return $previous instanceof RequestException
+            && $previous->hasResponse()
+            && $previous->getResponse()->getStatusCode() === 423;
+    }
+
     /**
      * @throws SmartlingApiException
      */
diff --git a/tests/Smartling/WP/Table/QueueManagerTableWidgetTest.php b/tests/Smartling/WP/Table/QueueManagerTableWidgetTest.php
index 76749311..94ecdf32 100644
--- a/tests/Smartling/WP/Table/QueueManagerTableWidgetTest.php
+++ b/tests/Smartling/WP/Table/QueueManagerTableWidgetTest.php
@@ -52,6 +52,9 @@ function admin_url($path = '')
     use Smartling\Settings\Locale;
     use Smartling\Settings\SettingsManager;
     use Smartling\Submissions\SubmissionManager;
+    use Smartling\Vendor\GuzzleHttp\Exception\RequestException;
+    use Smartling\Vendor\GuzzleHttp\Psr7\Request;
+    use Smartling\Vendor\GuzzleHttp\Psr7\Response;
     use Smartling\Vendor\Smartling\Exceptions\SmartlingApiException;
     use Smartling\WP\Table\QueueManagerTableWidget;
 
@@ -149,5 +152,31 @@ public function testPrepareItemsShowsRunningMessageWhenLockHeld(): void
             $uploadRow = $widget->items[0];
             $this->assertStringContainsString('Running', $uploadRow['run_cron']);
         }
+
+        public function testPrepareItemsShowsRunningMessageWhenSdkWrapsGuzzle423(): void
+        {
+            // Reproduces the real SDK behavior: BaseApiAbstract::sendRequest() catches
+            // Guzzle's ClientException for a 423 Locked response and wraps it in a
+            // SmartlingApiException whose errors array is empty (only the message is set).
+            $guzzleException = new RequestException(
+                'Client error: `POST https://api.smartling.com/distributed-lock-api/v2/projects/x/locks` resulted in a `423 Locked` response',
+                new Request('POST', 'https://api.smartling.com/distributed-lock-api/v2/projects/x/locks'),
+                new Response(423, [], '{"response":{"code":"RESOURCE_LOCKED","errors":[{"key":"resource.locked","message":"Failed to acquire a lock"}]}}'),
+            );
+            $api = $this->createMock(ApiWrapperInterface::class);
+            $api->method('acquireLock')->willThrowException(new SmartlingApiException(
+                'Guzzle:RequestException: ' . $guzzleException->getMessage(),
+                0,
+                $guzzleException,
+            ));
+
+            $widget = $this->buildWidget($api, uploadQueueCount: 3);
+
+            $widget->prepare_items();
+
+            $uploadRow = $widget->items[0];
+            $this->assertStringContainsString('Running', $uploadRow['run_cron']);
+            $this->assertStringNotContainsString('API error', $uploadRow['run_cron']);
+        }
     }
 }