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Fix the "This theme is full" error

Shopify allows 1,000 JSON templates per theme. Delete templates you don't use, or build on another theme. No credit was used.

Updated November 4, 2026

Your theme has 1,000 templates, Shopify's limit. We stop before spending anything, so no credit was used. Delete templates you don't use, or click Choose another theme.

You see the title This theme is full and the message "This theme has 1,000 templates, Shopify's limit. Delete templates you don't use, or choose another theme."

Why it happens

Every JSON template counts, for products, pages, customers and all the rest. Apps that make one template per product often fill a theme.

Fix it

Option 1: build on another theme.

  1. Click Choose another theme.
  2. Under Theme, pick another one.
  3. Click the Generate button.

Option 2: free up room.

  1. In Shopify admin, open your theme's code editor.
  2. Delete templates no product or page uses.
  3. Build again.

Option 3: reuse a template. Overwriting a template needs no room. This works for product pages only, because home pages and any pages have no Template name field.

  1. Click Choose another theme. The form opens with Advanced settings showing.
  2. Keep this theme under Theme.
  3. Under Template name, enter the name of a template that's already in this theme.
  4. Click the Generate button.
  5. In the warning, click Replace template.

Products using that template change right away, and the app can't bring the old template back. Pick a template no live product needs.

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