Fatal error: Uncaught Error: Class "Anthropic\Core\Exceptions\AnthropicException" not found in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Core\Exceptions\APIException.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Core\Exceptions\APIException.php on line 8