Fatal error: Uncaught Error: Interface "Anthropic\ServiceContracts\MessagesContract" not found in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Foundry\Services\MessagesService.php:48 Stack trace: #0 {main} thrown in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Foundry\Services\MessagesService.php on line 48