Fatal error: Uncaught Error: Interface "SpipLeague\Component\Kernel\InstallationDetectorInterface" not found in /home/www/tchoutchou.contextxxi.org/vendor/spip-league/kernel/src/InstallationDetector.php:9 Stack trace: #0 /home/www/tchoutchou.contextxxi.org/vendor/composer/ClassLoader.php(576): include() #1 /home/www/tchoutchou.contextxxi.org/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/home/www/tchou...') #2 /home/www/tchoutchou.contextxxi.org/vendor/spip-league/kernel/boot.php(17): Composer\Autoload\ClassLoader->loadClass('SpipLeague\\Comp...') #3 /home/www/tchoutchou.contextxxi.org/vendor/spip-league/kernel/boot.php(50): SpipLeague\Component\Kernel\app() #4 /home/www/tchoutchou.contextxxi.org/spip.php(17): SpipLeague\Component\Kernel\param('spip.dirs.core') #5 /home/www/tchoutchou.contextxxi.org/index.php(3): include('/home/www/tchou...') #6 {main} thrown in /home/www/tchoutchou.contextxxi.org/vendor/spip-league/kernel/src/InstallationDetector.php on line 9