If you encounter the error message “You can only add this item in increments of,” we have a solution for you. This issue occurs only in certain specific themes and does not affect all themes.
Steps to Fix the Error
1. Access the Shopify Admin Panel
Log in to your Shopify admin account.
2. Navigate to Your Theme
Go to Online Store > Themes
Identify the active theme and click on Actions > Edit Code.
3. Locate the cart.js File
In the theme editor, locate the cart.js file.
4. Modify the Code
Search for the line that handles increment validation (usually around line 67).
Replace the following code snippet after identifying the appropriate section:
} else if (inputValue % parseInt(event.target.step) !== 0 && Number.isNaN(parseInt(hello) % parseInt(step))) {
5. Save Your Changes
After replacing the code, click Save to apply the changes.
6. Test the Fix
Open your store in an incognito/private window to ensure the changes work correctly.
By following the steps above, you should be able to resolve the “You can only add this item in increments of” error and ensure a seamless shopping experience for your customers.