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I encounter the same issue and instead using Select All you should select no value. If you already have a value selected use Ctrl to undo your selection.

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I encounter the same issue and instead using Select All you should select no value. If you already have a value selected use Ctrl to undo your selection.

Source

Selecting no value instead of all solved this issue in my case

Source

I encounter the same issue and instead using Select All you should select no value. If you already have a value selected use Ctrl to undo your selection.

Source

The following trick solved it in my case:

"go to admin/structure/views/settings and check "Always show the master display", after that go to the master display of the "problematic" views and see if there is a unwanted "unknown" filter, if there is remove it."

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Selecting no value instead of all solved this issue in my case

Source