Grouped date filter with multiple selections

deelite

3/1/24, 1:59 PM

I have a view with an exposed filter on a date field. It's a grouped filter by year using the module views_year_filter.

All works as long as I don't enable allow multiple selections. When I enable it and set the option - Any - - this option will not be saved. After a re-opening the filter settings, it's unset again.

And then, with allow multiple selections enabled I get the following errors in my view, but content output is working fine:

Warning: Undefined array key "type" in Drupal\views\Plugin\views\filter\Date->acceptExposedInput() (line 128 of core/modules/views/src/Plugin/views/filter/Date.php)

Warning: Undefined array key "value" in Drupal\views\Plugin\views\filter\NumericFilter->acceptExposedInput() (line 426 of core/modules/views/src/Plugin/views/filter/NumericFilter.php)

What I did without success:

changed the theme
deleted and recreated the view
tried another date field (authored on)
removed all other filters
disabled the module views_year_filter and configured the filter group with standard date an is between the first and last date of the year
cleared all caches after every change

Sadly I don't understand the error messages.

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