Manul Index Creation on Command Line

Hello,

i have try to create a manual index. But they drop me as well an error message.
Is this Plugin still under the Maintained or already dead ?

wp redisearch index –setup

sudo -u www-data wp redisearch index --setup
PHP Fatal error:  Uncaught Error: Class 'WPRedisearch\RediSearch\Index' not found in /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php:112
Stack trace:
#0 /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php(86): Redisearch_CLI->drop_index()
#1 /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php(212): Redisearch_CLI->create_index()
#2 [internal function]: Redisearch_CLI->index()
#3 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.php(98): call_user_func()
#4 [internal function]: WP_CLI\Dispatcher\CommandFactory::WP_CLI\Dispatcher\{closure}()
#5 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php(451): call_user_func()
#6 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(371): WP_CLI\Dispatcher\Subcommand->invoke()
#7 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(394): WP_CLI\Runner->run_command()
#8 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1160): WP_CLI\Runner->run_command_an in /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php on line 112
Fatal error: Uncaught Error: Class 'WPRedisearch\RediSearch\Index' not found in /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php:112
Stack trace:
#0 /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php(86): Redisearch_CLI->drop_index()
#1 /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php(212): Redisearch_CLI->create_index()
#2 [internal function]: Redisearch_CLI->index()
#3 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.php(98): call_user_func()
#4 [internal function]: WP_CLI\Dispatcher\CommandFactory::WP_CLI\Dispatcher\{closure}()
#5 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php(451): call_user_func()
#6 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(371): WP_CLI\Dispatcher\Subcommand->invoke()
#7 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(394): WP_CLI\Runner->run_command()
#8 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1160): WP_CLI\Runner->run_command_an in /var/www/html/wp-content/plugins/redisearch/bin/wp-cli.php on line 112
Error: Es gab einen kritischen Fehler auf deiner Website.Erfahre mehr über die Problembehandlung in WordPress. Es gab einen kritischen Fehler auf deiner Website.
Dropping index...