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Hello,
I use the Search & Filter plugin to filter by different post types, categories, tags and another custom taxonomy (all are checkboxes).
If I filter by one or more items, that aren’t of the same field, everything works as expected.
But if I mark more than one item of the same field and submit, I get an 404-error. Except the field “post_types” –> there I can filter by more than one items.
The permalink structure is than for example mysite.com/category/cat1 if I mark the item “cat1” of the field “category”.
–> it works
If I mark the item “cat1” of the field “category” and item “tag1” of the field “tag” the permalink structure is: mysite.com/category/cat1/?tag=tag1
–> it works
If I mark the items “post” and “dataset” of the field “post_types” the permalink structure is: mysite.com/?post_types=post,dataset
–> it works
If I mark the items “cat1” and “cat2” of the field “category” the permalink structure is: mysite.com/category/cat1+cat2/
–> 404 error
If I reset the permalink settings in the backend to “plain” there is no 404 error anymore. But I want to use individual permalinks. I also tried to fix it by activating the rewrite module and editing the .htaccess file permissions.
Looking forward to some hints.
Thank you