diff --git a/src/Klaviyo/Client/AsyncClient.php b/src/Klaviyo/Client/AsyncClient.php
index ca9dee16..c5020413 100644
--- a/src/Klaviyo/Client/AsyncClient.php
+++ b/src/Klaviyo/Client/AsyncClient.php
@@ -62,6 +62,8 @@ public function sendRequests(array $requests, Context $context = null): ClientRe
                                 if (
                                     (('The phone number provided either does not exist or is ineligible to receive SMS' ===
                                             $errorDetail)
+                                        || ('The phone number provided either does not exist or is ineligible to receive ChannelType.SMS' ===
+                                            $errorDetail)
                                         || (str_contains($errorDetail, 'Invalid phone number format')))
                                     ||
                                     (('Invalid email address' ===
diff --git a/src/Klaviyo/Gateway/KlaviyoGateway.php b/src/Klaviyo/Gateway/KlaviyoGateway.php
index 0ca81393..d374ae81 100644
--- a/src/Klaviyo/Gateway/KlaviyoGateway.php
+++ b/src/Klaviyo/Gateway/KlaviyoGateway.php
@@ -495,6 +495,9 @@ private function trackOrderEvents(
                         && (false !== strpos(
                             $errorMsg,
                             'The phone number provided either does not exist or is ineligible to receive SMS'
+                        ) || false !== strpos(
+                            $errorMsg,
+                            'The phone number provided either does not exist or is ineligible to receive ChannelType.SMS'
                         ) || (false !== strpos($errorMsg, 'Invalid phone number format')))
                 ) {
                     $orderEvent = $orderEvents[$orderId];