Duplicate identifiers

End Devices (Nodes) Dragino
1

Hi.

I try register a new devise and TTN show this error:
“duplicate_identifiers”

Any help, please?
Thanks

2

The ID and EUI must be unique. The values you have provided to TTN may have already been taken?

https://www.thethingsindustries.com/docs/devices/adding-devices/
https://www.thethingsindustries.com/docs/reference/id-eui-constraints/