Fatal error: Uncaught Error: Interface 'OAuth\OAuth1\Signature\SignatureInterface' not found in /home/gmcguire/public_html/concrete5/concrete/vendor/lusitanian/oauth/src/OAuth/OAuth1/Signature/Signature.php:9 Stack trace: #0 {main} thrown in /home/gmcguire/public_html/concrete5/concrete/vendor/lusitanian/oauth/src/OAuth/OAuth1/Signature/Signature.php on line 9