Hi @Arine Fitriani ,
Welcome to Q&A forum!
The PnP ‘Modern Search‘ solution is an open-source project built by Microsoft together with our MVPs and community members, so the PnP Modern Search Web Part not a web part provided out of the box by Microsoft. We are not very good at it. To better solve your issue, we suggest you reopen the discussion here.
Reference:
https://microsoft-search.github.io/pnp-modern-search/
Have a nice day!
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