Categories don't appear

[kalimba666]

I am using your theme and WP to bludit importer plugin.

The imports work well, but categories doesn't appear in the topbar as shown in the example screenshots.

Also, I want to add the logo in full length / width in the top bar or as a replacement in the header (instead of the h1/h2 headline (=name of the website). But if I do so, locally it is, topbar logo disappears.

I also tried this code snippet in the top bar, you find the snippet on the website:
https://planet-bludit.ch/snippets/kategorien
but whole page disappears except top bar.
The categories should appear instead of "stories".

I also want to hae static websites appear in the footer and I try to place the code
<?php foreach ($staticContent as $staticPage): ?> <li class="nav-item <?php echo (($url->slug()==$staticPage->slug())?'active':'') ?>"> <a class="nav-link" href="<?php echo $staticPage->permalink(); ?>"><?php echo $staticPage->title(); ?></a> <?php endforeach ?>
from top bar in the p-section with the pull-left. Doesn't appear.