fail to import

[BackuPs]

I am importing https://github.com/WordPress/theme-test-data file themeunittestdata.wordpress.xml

Using a clean install with 2025 theme.

Failed to import post tag : Invalid term name.
Failed to import Post “WP 6.1 Media category blocks”: Could not insert post into the database.
Failed to import Post “Keyboard navigation”: Could not insert post into the database.
Failed to import Page “Lorem Ipsum”: Could not insert post into the database.
Failed to import Post “Post Format: Aside”: Could not insert post into the database.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import Page “Page Markup And Formatting”: Could not insert post into the database.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import Post “Markup: HTML Tags and Formatting”: Could not insert post into the database.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import Post “Block category: Common”: Could not insert post into the database.
Failed to import Post “Block category: Formatting”: Could not insert post into the database.
Failed to import Post “Block category: Layout Elements”: Could not insert post into the database.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import Post “Block: Columns”: Could not insert post into the database.
Failed to import post_tag : Invalid term name.
Failed to import post_tag : Invalid term name.
Failed to import Post “Block: Gallery”: Could not insert post into the database.
Failed to import Post “Block: Image”: Could not insert post into the database.
Failed to import Page “????????-Greek”: Could not insert post into the database.