Cardinality problem (opposite)

  • Resolved thyme1152

    (@thyme1152)


    3 years, 3 months ago

    Hello,

    Our client is reporting a bug that they have when trying to connect a post to another. The site has two custom post types, ‘artist’ and ‘artwork’, and we use Posts 2 Posts to connect one to the other.

    When creating a new Artwork post, when they try to select an artist, they get a popup saying the following: Cardinality problem (opposite). At which point they say they publish the Artwork and it ends up being associated with the last Artist created, instead of the one they selected.

    But here’s the kicker: This problem doesn’t occur on our side (I tried, as well as a coworker).
    We tried what they were doing step by step in order to at least see the bug with our own eyes, but it never occurs. We tried with our WordPress account, we tried with theirs, we tried with multiple browsers, nothing.

    Also of note, the website is installed on a multisite so as to manage languages with Multisite Language Switcher, and they say the problem occurs only on one language. However, we’ve tried the whole procedure on that very language on our side, and nothing.

    So, at this point we were wondering if we could at least get a hint as to what could make this bug happen on their side, since it’s very difficult to fix a bug we can’t see. Do you guys have any ideas?

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

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  • Thread Starter thyme1152

    (@thyme1152)

    Hello again,
    This is resolved. The bug was caused by Cloudflare caching the english-language side of the admin. There was a page rule to keep it from doing it on the french side, but not on the english side. As such, when you’d try to add multiple posts one after the other, WordPress would still think you’re on the first post and it would create a domino effect of bugs, including this one.

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