Update failed, server stopped, sos

After “apt upgrade” some packages updated, but not Bluecherry.
First i got error
mysqldump: Error: 'Access denied; you need (at least one of) the PROCESS privilege(s) for this operation' when trying to dump tablespaces
After some googling, i found solution:
GRANT PROCESS ON *.* TO bluecherry@localhost;
it said “ok” and now ‘mysqldump’ error gone, but still
dpkg: error processing package bluecherry (–configure):
installed bluecherry package post-installation script subprocess returned error exit status 1
Processing triggers for libc-bin (2.27-3ubuntu1.4) …
Errors were encountered while processing:
bluecherry
now BC server does not work at all, i’m not enough advanced to solve it myself, please help how to turn it workable. thanks!

Which distribution and version is this? (ie Ubuntu 18.04).

This isn’t something that I can fix very easily over the forums, can you provide remote (ssh) access to this computer so I can look at it? You can email the ip, login and password to support@bluecherrydvr.com

Thanks

Thanks for your respond, just sent you email information

Ok I don’t have that, can you email chall@corp.bluecherry.net?

Sent! Do you have Telegram or Whatsapp?

Okay, I found the problem…nginx -t (which tests the nginx config) was throwing an IPv6 error. I commented out line 23:

#       listen [::]:80 default_server;

Then ran nginx -t, then ran sudo apt-get install bluecherry

You are all fixed.

++ nginx -t
dpkg: error processing package bluecherry (–configure):
installed bluecherry package post-installation script subprocess returned error exit status 1
Processing triggers for libc-bin (2.27-3ubuntu1.4) …
Errors were encountered while processing:
bluecherry

OMG, ipv6… I wouldn’t have thought to look in that direction. Thanks a lot!!!