Google App - reported errors "Invalid Attribute Value [image link]"

Topic summary

Users are encountering two distinct error types in the Google Merchant Center affecting product listings:

Image Link Errors:

  • Products show “Invalid Attribute Value [image link]” in the Google app, though images display correctly on websites and in Google search results.
  • Google requires specific image formats (JPEG, WebP, PNG, GIF, BMP, TIFF) and accessible URLs.
  • Potential causes include robots.txt file blocking image directories or URL accessibility issues.
  • This error may prevent products from appearing in Google Shopping.
  • Status: No clear resolution provided in the thread.

Unit Pricing Measure Errors:

  • Hundreds of products flagged with “Invalid whole number [unit pricing base measure]” and “Invalid real number [unit pricing measure]”.
  • Google recently changed these previously optional fields to required.
  • Working Solution: Create feed rules in Google Merchant Center:
    • Navigate to Products > Feeds > Content API > Feed Rules
    • Add rules for both unit_pricing_measure and unit_pricing_base_measure
    • Set both values to “1ct” for items sold per unit
    • Test changes before applying
  • Users report that updating values directly in Shopify doesn’t resolve the error; changes must be made in Merchant Center via feed rules.
  • Status: Resolved for users who implemented the feed rule solution.
Summarized with AI on November 2. AI used: claude-sonnet-4-5-20250929.

** Update and SUCCESS **

I created a feed rule in Merchant Ctr that loads ‘1ct’ to each of these fields.

So when a product is fed from Shopify, those 2 fields are filled with that value.

It looks like @Gameroomgoodies solution is very simple and is done in Shopify code. Check their solution out if this is too much.

It is not super intuitive, but if you code, it’s pretty simple once you figure it out. I just had to test it a few times to get the results I needed.


In Merchant Center:

  • Under Products, click on Feeds

  • select Content API (that should be your Shopify feed unless you have somehow renamed it)

  • click on the Feed Rules tab across the top of the block

  • click on the blue circle with the + in the middle to add a rule

  • type ‘unit’ in the box that appears, it should list those 2 fields we need

For EACH of those 2 fields create a rule:

  • select the field

  • on the next screen, click on the SET TO box

  • where it says ‘type or select’, enter 1ct and press enter. it will be displayed below under Add Value. Click on the value you entered. It should redisplay the page with your value shown and the OK box at bottom right wlll be blue. Then it took your entry. Click OK.

  • it will redisplay the rule on the rules list under ‘draft’ status.

your rules should look like this when you are done.

  • At the top of the list, it should display Test changes. DO THIS! It will take a while depending on how many products are in your database. Took mine 20 mins

  • You will know it is done when you see something like ‘Check the test results’. If you scroll down to the bottom of that report, it will show the list of errors from your diagnostics report. If the rule worked, the unit pricing errors should be GONE.

LEAVE THOSE 2 RULES THERE AND IT WILL FILL THOSE FIELDS FOR ANY UPDATED OR NEW PRODUCTS THAT COME FROM SHOPIFY IN THE FUTURE.

I took some screen shots, but not enough to show what to look for at the end. Sorry. I can publish if needed…

2 Likes