error on freeradius and nas: Failed to add client, possible duplicate?

[Michele Salerno]

Hi,

i tried deleting the nas i had and inserting a new one

i run freeradius -X -X and i read this:

rlm_sql (sql): Adding client openwisp.nnxx.ninux.org (nnxx) to global
clients list
Failed to add duplicate client nnxx
Failed to add client, possible duplicate?
rlm_sql (sql): Released connection (0)
Need more connections to reach 10 spares


Clearly I have started freeradius several times.

How can it be solved?

Regards,

Michele