@MrGeneration @fliebe92 thank you thank you! it works now!
[root@cpproux07 ~]# zammad run rake zammad:searchindex:rebuild
Dropping indexes... done.
Deleting pipeline... done.
Creating indexes... done.
Creating pipeline... done.
Reloading data...
- Chat::Session...
done in 0 seconds.
- Cti::Log...
done in 0 seconds.
- Group...
done in 3 seconds.
- KnowledgeBase::Answer::Translation...
done in 0 seconds.
- KnowledgeBase::Category::Translation...
done in 1 seconds.
- KnowledgeBase::Translation...
done in 0 seconds.
- Organization...
done in 29 seconds.
- StatsStore...
done in 2 seconds.
- Ticket::Priority...
done in 0 seconds.
- Ticket::State...
done in 0 seconds.
- Ticket...
done in 7286 seconds.
- User...
done in 69 seconds.
[root@cpproux07 ~]# systemctl restart elasticsearch
[root@cpproux07 ~]#