Fatal error: Uncaught Error: Class 'ChrisKonnertz\StringCalc\Container\AbstractSingletonServiceProvider' not found in /var/www/drupal/sites/energiatalgud/vendor/chriskonnertz/string-calc/src/ChrisKonnertz/StringCalc/Container/ServiceProviders/CalculatorServiceProvider.php:13 Stack trace: #0 {main} thrown in /var/www/drupal/sites/energiatalgud/vendor/chriskonnertz/string-calc/src/ChrisKonnertz/StringCalc/Container/ServiceProviders/CalculatorServiceProvider.php on line 13