Fatal error: Uncaught Error: Class 'PHP_CodeCoverage_Exception' not found in /var/www/html/a2billing/vendor/phpunit/php-code-coverage/src/CodeCoverage/Exception/UnintentionallyCoveredCode.php:16 Stack trace: #0 {main} thrown in /var/www/html/a2billing/vendor/phpunit/php-code-coverage/src/CodeCoverage/Exception/UnintentionallyCoveredCode.php on line 16