That worked like a charm! Thanks for the quick response and problem solving.

This is just a spare time project for self education, so I'm happy to stay on alpha and report any future bugs.

Thanks again, much appreciated

Hello!

I run the Serendipity 2.4-alpha2 and PHP 7.3.27-1~deb10u1. Did not think of this, maybe I should run the stable version?

There are quite a few folders in /../serendipity/plugins. But I can not remember having installed any of them.

Totaly new to serendipity and CMS in general. I have of course done some preliminary googling, but it got me nowhere.

When i try to post something on my Serendipity blog i get this error message:
Error: Unknown column 'had_categories' in 'field list'
And no content is posted on the blog.

Its a ...