Hello
after upgrading to Joomla 4 my old site I see that the popup from thumbnails don't work:
https://www.tommasofiore.it/tommaso-fiore-la-mostra/33-rassegna-stampa
This is the code
<p>
<strong><br />
<a href="https://www.joomlacontenteditor.net/images/stories/la-mostra/rassegna-stampa/corriere-mezzogiorno-271220.gif" class="jcebox"><img style="border: 1px solid #cccccc; margin: 5px; width: 195px; height: 195px" src="https://www.joomlacontenteditor.net/images/stories/la-mostra/rassegna-stampa/thumbnails/thumb_corriere-mezzogiorno-271220.gif" alt="corriere-mezzogiorno-271220.gif" title="corriere-mezzogiorno-271220.gif" width="195" height="195" /><br />
Corriere del Mezzogiorno 27/12/2007</a><br />
</strong>
</p>
mediabox 2.1.2 plugin is installed and active. Please, what can I check to fix it?
Regards