Shapes theme won't install correctly

Topic summary

  • User is attempting to install and preview the Shopify “Shapes” theme before deciding on purchase.

  • An error appears specifically when clicking “Customize,” preventing access to the theme editor.

  • A screenshot of the error is attached and is central to diagnosing the problem, but the exact error text isn’t provided in the post.

  • The user requests suggestions for troubleshooting or resolving the issue.

  • No responses or solutions are provided yet; the issue remains open with no identified cause or fix.

Summarized with AI on December 12. AI used: gpt-5.

Hi, I am trying to install the Shapes theme to then customise and have a look at before deciding if we should buy it.

I keep getting the attached error message when I click on customise. Can anyone offer any suggestions please.

Thanks