Hi,

today I made same Updates on the Joomla-Homepage (3.9.18). After the Update sites with jevents doesn't open with the error:

0 Too few arguments to function Joomla\Utilities\ArrayHelper::toInteger(), 0 passed in /xxx/xxxxxx/xx/xx/xxxxxxxx/htdocs/domain/components/com_jevents/libraries/helper.php on line 516 and at least 1 expected
/xxx/xxxxxx/xx/xx/xxxxxxxx/htdocs/domain/libraries/vendor/joomla/utilities/src/ArrayHelper.php:39

The text in line 516 of helper.php is: $cid = ArrayHelper::toInteger();

Thanks for help!