It appears a search has been stuck on your filters and it needs to be cleared.
To clear it, you will need to create a new view, using the article below. When doing this, create a new view, clear all filters, save the view, and then delete. Once you have done this refresh and double check the filter has been removed.
Creating a view
https://learn.enginehire.io/en/knowledge/how-to-create-views-using-filter-group-and-sort
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