KML not appearing in mashup

Hi!
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<div>We have attached a KML file to one of our posts, but it is not appearing in a mashup.</div>
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<div><https://2025.mainesalmonrivers.org/explore/our-preserves></div>
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<div>Here are the details:</div>
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<div>We uploaded the KML and attached it to one of the preserves.</div>
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<div><https://2025.mainesalmonrivers.org/wp-content/uploads/2025/02/Screenshot-2025-02-19-at-12.00.30 PM.png></div>
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<div>It appears in the MapPress Maps list:</div>
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<div><https://2025.mainesalmonrivers.org/wp-content/uploads/2025/02/Screenshot-2025-02-19-at-12.00.41 PM.png></div&gt;
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<div>We left the default settings:</div>
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<div><https://2025.mainesalmonrivers.org/wp-content/uploads/2025/02/Screenshot-2025-02-19-at-12.01.04 PM.png></div>
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<div>The mashup is generated with thus shortcode:</div>
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<div>[mashup width="100%" zoom="9" height="500" query="post_type=place&place_category=trailhead”]</div>
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<div>(The KML is associated with a place-type post that is in the trailhead category.)</div>
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<div><https://2025.mainesalmonrivers.org/place/pleasant-river-community-forest-preserve/></div>
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<div>What are we missing?

TIA!

-Jay</div>