TypeError: k is not iterable

[zirtrex]

When I am in the block editor and try typing something in the box search get the below error, see image 01 and 02.

The error is:

TypeError: k is not iterable
    at f (https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:26:86949)
    at https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:26:86506
    at Array.map (<anonymous>)
    at m (https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:26:86496)
    at p (https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:26:86043)
    at https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:12:14633
    at Object.useMemo (https://c0.wp.com/c/5.9/wp-includes/js/dist/vendor/react-dom.min.js:220:462)
    at c.useMemo (https://c0.wp.com/c/5.9/wp-includes/js/dist/vendor/react.min.js:30:236)
    at Wg7J.t.a (https://c0.wp.com/c/5.9/wp-includes/js/dist/block-editor.min.js:12:14608)
    at Le (https://c0.wp.com/c/5.9/wp-includes/js/dist/vendor/react-dom.min.js:100:3)

further, this error appear then update to wordpress 5.9.

Thanks.

[zirtrex]

Search box