Hi, similar to this warning: Unrecognised field 'interactionStatistic', only this time it applies to topics.

QAPage:

• Missing field 'url' (in 'mainEntity.author')
• Missing field 'url' (in 'mainEntity.suggestedAnswer.author')
• Missing field 'url' (in 'mainEntity.acceptedAnswer.author')

Example Code:

    "@context": "http://schema.org",
    "@type": "QAPage",
    "@id": "https://invisioncommunity.com/forums/topic/477609-new-member-email-confirmation-not-sentreceived-dmarc/",
    "url": "https://invisioncommunity.com/forums/topic/477609-new-member-email-confirmation-not-sentreceived-dmarc/",
    "mainEntity": {
        "@type": "Question",
        "name": "New member email confirmation not sent/received? [DMARC?]",
        "text": "xx",
        "dateCreated": "2024-03-22T10:14:26+0100",
        "author": {
            "@type": "Person",
            "name": "VahnPetit"
        },
        "answerCount": 11,
        "acceptedAnswer": {
            "@type": "Answer",
            "text": "xx",
            "url": "https://invisioncommunity.com/forums/topic/477609-new-member-email-confirmation-not-sentreceived-dmarc/?do=findComment\u0026comment=2966914",
            "dateCreated": "2024-03-22T11:29:52+0100",
            "upvoteCount": 0,
            "author": {
                "@type": "Person",
                "name": "opentype",
                "image": "//content.invisioncic.com/a319035/monthly_2021_04/ralf-grey.thumb.jpg.9cd976d9d22d1970807507ce2d368f2a.jpg",
                "url": "https://invisioncommunity.com/profile/374850-opentype/"
            }
        },

Edited March 22, 20241 yr by SeNioR-

Would need to see on your own, as the URLs in your example are indeed present there 🙂 

Right. I've figured it out. Warnings appear for posts written by guests. Guests do not have a profile page, hence the warnings.

Solved 🙂