Fatal error: Uncaught Error: Interface 'League\Config\MutableConfigurationInterface' not found in /home/erlt6724/public_html/repositories/mika-data/vendor/league/config/src/ConfigurationBuilderInterface.php:19 Stack trace: #0 {main} thrown in /home/erlt6724/public_html/repositories/mika-data/vendor/league/config/src/ConfigurationBuilderInterface.php on line 19