Graylog 2.5.2 renewal license

Hi,
I’m trying to renew the enterprise license on Graylog rev 2.5.2+4f6d123 but receive an error: C
ould not upload new license

Screenshot%20(2)

Could you please help?
Thanks in advance

could you please give some more information what kind of license do you have? Did you see any error in the Graylog server.log?

I have Free Graylog Enterprise license.
I don’t see any record in /var/log/graylog-server/server.log, i have the following entry in the audit log,

Hi Jan,
I resolve the issue:
the licence plugin was at rev 2.4.1, updated to 2.5.2 the license string was imported.
Thanks for your interest.
Marco