Joomla joomla-articles-calendar-j4-1.0.1 don't work

Hi, i try to use your module, but don't work in Joomla 4 (i try PHP 7.4 and 8.0.27).

I see in console this error:
Call to a member function format() on bool

The call generate this error:
https://...mysite.../index.php/contattaci/chi-siamo?calendar=1&date=2023-1&search_mode=dates&date_field=publish_up&moduleId=126

can you help me?

thanks

Hi, the error is in:
JROOT/modules/mod_articles_calendar/tmpl/default.php:66

$date = DateTime::createFromFormat("Y-n-j", $day);
$date_initial = $date->format("Y-n-j");

the row:
$date_initial = $date->format("Y-n-j");
give error, when the URL error is:
?calendar=1&date=2023-1&search_mode=dates&date_field=publish_up&moduleId=126

thanks

ok, e-mail sent!

thanks

Enable plugin "System - Articles Calendar"