Breadcrumb Issue

Hey,

I am checking the structure data on google tool but getting an error on breadcrumb “The value provided for item.id must be a valid URL.”

Can you please help me to fix this issue.

https://search.google.com/structured-data/testing-tool/u/0/?hl=EN#url=https%3A%2F%2Fvapesociety.staging.wpengine.com%2Fproducts%2Flemon-bar-by-loaded-e-liquid-120ml%2F

The page I need help with: [log in to see the link]