Error "Phone has already been taken"

This message appears when your form is trying to create (or update) a Shopify customer, but the phone number submitted is already used by another customer in your Shopify admin.

✅ Nothing is broken! Shopify is preventing duplicate phone numbers for customer records (depending on your store settings).

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🔍 Why this happens

When a customer submits the form, Powerful Form sends the information to Shopify (example: Email, Name, Phone).

If the phone number is already attached to an existing Shopify customer, Shopify may reject the request and return:

“Phone has already been taken”

Common causes:

• You are testing multiple submissions using the same phone number

• Different customers share one phone number (family / company phone)

• The form is set to create customers, but your store requires phone numbers to be unique

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✅ How to solve it

Steps

1. Open the app > click Forms > open the form you want to edit

2. Click the Integration icon on the left side > enable Shopify and click on Shopify option

1. Find If customer already exists and choose:

➡️ Continue and ignore the error

1. Click save.

✅ Why use this option?

This option helps prevent the submission from failing when the customer already exists in Shopify (usually because the email is already in your Customers list).

With this setting:

• If the email already exists, the form submission can still continue

• Shopify will not create a duplicate customer and make no change to Shopify customer account

• The app will skip the “already exists” error and move on

⚠️ Note: This option does not update customer information. If you want to update fields like phone, name, or address, choose Continue and update customer information instead.

4. Click ” Save” to update the form