Can't add app section to product page

Topic summary

A user is experiencing an issue where custom app sections fail to display when added to their product page through the theme customizer, despite the apps being activated.

Key details:

  • Shopify’s native sections and blocks render correctly
  • Custom third-party app sections do not appear on the page
  • The apps are confirmed as active in the store

Current status:

  • The issue remains unresolved with no responses yet
  • An attached screenshot shows the customizer interface where the problem occurs

This appears to be a compatibility or configuration issue between the theme and third-party app integrations.

Summarized with AI on November 2. AI used: claude-sonnet-4-5-20250929.

When I customize the product page and add custom app sections, the element doesn’t appear, but it does when I add Shopify’s sections/blocks. What is wrong?

I have actived the apps

See image