Hi friends,
I've migrate a Joomla 1.5.x to Joomla 3.7, and all seems works fine.
Except for one thing:
if I go to K2->Users obtain the error: 1054 Unknown column 'ip' in 'field list'

And if I enable the debug mode I can see 4 duplicate entries in the database.

Then, if I enable the User - K2 I can no longer authenticate from the front-end and the same error message is shown to me.

I'm using K2 version 2.7.1

many thanks

Hello Davide,

Is this happening with all users or a certain one?
Are new users behaving properly?

Hi Krikor and thanks for your kind help!

I've managed around the database user, and now I'm able to access to the K2 user section.
But I'm unable to edit (from K2) a single user (I obtain the above message) and I'm unable (with the user plugin enabled) log into the front end. If I disable the user k2 plugin I can login into the frontend.

I've look into the Joomla database user structure, and there isn't a field "IP", in fact if I go to the user K2 section, I'm unable to see the IP field compiled, that it's empty.

So I think all this issues could be caused by this missing information?


Thanks again

1) Backup
2) Try reinstalling K2.
Was K2 in the old site an older version?

Yes Krikor,
your indications are the only possible at this point. And I confirm that they resolve.
Many thanks for your help.

You 're welcome Davide :)