Fatal error: Uncaught Error: Interface "Anthropic\Lib\Credentials\AccessTokenProvider" not found in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Lib\Credentials\ExternallyRotatedToken.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\singular_law\vendor\anthropic-ai\sdk\src\Lib\Credentials\ExternallyRotatedToken.php on line 13