Fatal error: Uncaught Error: Class 'Zend_Oauth_Signature_SignatureAbstract' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Oauth\Signature\Plaintext.php:31
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Oauth\Signature\Plaintext.php on line 31