Adding checkout rule shows 404 page when store has 25 rules

Functions
1

When a store has 25 checkout rules (including disabled ones), adding a new rule shows a 404
page with no explanation.

Steps to Reproduce

  1. Have a Shopify Plus store with 25 existing checkout rules (active + inactive combined)
  2. Go to Settings > Checkout > Checkout Rules
  3. Click “Add rule”, select a validation function, click “Save”
  4. A 404 page is displayed

Expected Behavior

A clear error message such as: “You’ve reached the maximum of 25 checkout rules. Please
remove unused rules before adding a new one.”

Actual Behavior

A 404 page is displayed with no indication that the rule count limit has been reached.

Additional Feedback

  1. The 25-rule limit is not documented in merchant-facing help docs. It only appears in the
    developer documentation    . The merchant-facing help page does not mention this limit.
  2. Disabled rules count toward the limit. This is not intuitive and should be clearly
    documented.

Workaround

Remove unused or disabled checkout rules to free up slots, then retry.

Environment

  • Store plan: Shopify Plus
  • Date: February 2026
2

Hi, thanks for reporting this! I’ve logged an issue for this in our backlog, and we’ll get to improving this as soon as we’re able to.

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