Fatal error: Uncaught Error: Interface "PHP_CodeSniffer_Sniff" not found in /home/puertobr/public_html/ventas/tests/phpcs/OpenCart/Sniffs/Spacing/ConcatenationSniff.php:12 Stack trace: #0 {main} thrown in /home/puertobr/public_html/ventas/tests/phpcs/OpenCart/Sniffs/Spacing/ConcatenationSniff.php on line 12