search field not display

Hi,

i just insert the widget to display the search bar in the page but it was blank. i even tried insert in a widget and it just display the title.

here how i insert smart search
https://prntscr.com/tns8ry

and here’s the page i want it to be display in the shadowed column.
https://prntscr.com/tns9ov

regards,
Hwang

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