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GRAVITL

Not possible to delete a dangling external client

I see there are improvements in netmaker 0.14.3 regarding deleting external clients:
> - External client cleanup when ingress gateway is deleted
It doesn't help though with already existing dangling external clients. You can see on the screenshot, I've unselected all existing ingress nodes and there are still 2 external clients that are not associated with any ingresses. When I'm trying to delete them requests fail with 500:
```
DELETE https://api.netmaker.dns-tls.ml/api/extclients/netmaker-vpn/kjkl
---
{"Code":500,"Message":"no result found"}
```

And a nit for UI: it always says "successfully deleted", even when request fails with 500

We’re these ext clients dangling before the upgrade?

ok, these will need to be delete from the database directly. We fixed this issue for new installs, but it will not remove them from existing installs.