Fatal error: Uncaught Error: Interface "PHP_CodeSniffer_Sniff" not found in /var/www/erp/spreadsheet/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/PSR1/Sniffs/Files/SideEffectsSniff.php:29 Stack trace: #0 {main} thrown in /var/www/erp/spreadsheet/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/PSR1/Sniffs/Files/SideEffectsSniff.php on line 29