Fatal error: Uncaught Error: Interface 'SimpleSAML\Store\StoreInterface' not found in /var/www/html/simplesamlphp/src/SimpleSAML/Store/RedisStore.php:17
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/src/SimpleSAML/Store/RedisStore.php on line 17