I just faced this strange behavior while editing the Commerce Order view.
To reproduce:
Note in Filter criteria there is an Order state filter set to not in Unknown
It seems weird to use a filter which actually filter nothing on this view. We only add some values for this filter in the commerce cart module.
I suggest to move this filter from commerce_order_ui_views_default_views() to commerce_cart_views_default_views_alter()
Active
2.40
Order
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
I can confirm that this bug still exists in Commerce 2.40.0. When I edited a view to include the filter set to "is not" a specific value I get this error. Since D7 is now EOL I am bumping the version on this bug to include the latest version that I can confirm it is on.