I have deleted the Joomlart demo articles

https://dietapino.com/index.php/recetas/listados-recetas/listado-podcasts
I have deleted the Joomlart demo articles. But these articles are displayed with empty content. How to delete?
I delete caché.

It seems to be issue here in J5, I've reported to our team to update this. Will keep you posted.

UPDATED:

Our team updated these 2 files to fix this issue on your site:

/templates/ja_podcast/html/com_content/categories/podcast-1_items.php
/templates/ja_podcast/html/com_content/categories/podcast-2_items.php

podcast-list.zip

4kB

we still keep the old files so you can compare.

Kindly check.