Fatal error: Uncaught Error: Class "Sendportal\Base\Models\BaseModel" not found in /home/techguruuico/public_html/mailuai.com/vendor/mettle/sendportal-core/src/Models/Subscriber.php:35 Stack trace: #0 {main} thrown in /home/techguruuico/public_html/mailuai.com/vendor/mettle/sendportal-core/src/Models/Subscriber.php on line 35