Some products lost Product structured data

hi!
google search console is validating products structured data issue, meanwhile I saw that some products on my site lost product structured data. I tried to test via structured data test google tool with default theme to verify if it can be a theme issue but there isn’t any difference, and I can’t understand why I have’t product structured data. Also, where products have structured data, search console note me an id warning but id is there (with url/#product).

Can you help me?
thanks in advance

regards

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