Do you have a new alert for currency code undefined in your Elevar Monitoring dashboard like this:
The fix for this is to go to your GTM container > variables > currency code and change to ecommerce.currencyCode instead of ecommerce.currency_code:
Or you can follow our full upgrade process from our this guide.
You can also add default values for this currency code to use as a fallback if this is ever undefined in the future:
Updated about 1 month ago