Support » Plugin: Ultimate Member - User Profile & Membership Plugin » Register error – invalid nonce

  • Tested registration and got “invalid nonce” on next page.

    What does that mean? I have used your default form and added date of birth (very inconvenient form, by the way. No option just to add as text or three separate pop downs as is normal for others. Also added gender.

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  • Plugin Support Ultimate Member Support


    Ok, will try exclusion.

    How do I choose birth year instead of birthdate? I don’t want that complex popup, just need simple dropdown to choose year from or enter.

    Plugin Support Ultimate Member Support


    Hi @recons,

    Unfortunately, we do not have the option for this in the plugin at this time. You can try looking into customizing the plugin to achieve this.


    hi, i have a Big problem here,
    when im doing Register I find this message ‘Invalid nonce’
    i want a solution please

    I have the same problem I don’t use wordFence security. I took the code ‘um_register_allow_nonce_verification’ added it, I then got this error: Fatal error: Cannot declare class UM_Register, because the name is already in use in /home/sedonapi/public_html/ on line 2 I removed it and now I can’t get into my site unless I delete the plugin.

    Hi @mari-lyn,
    Here is what I did.

    Using the WP Super Cache plugin, in the rejected URLs section of the Advanced settings, type in

    That way you can make sure those pages aren’t ever served up cached versions. I know this is a fix of one plugin with another, but WP Super Cache gives you control over what is cached that you might not control without a cache plugin.

    I think the way it works is if I visit, I get a new version of that page and it creates a cache. Then when you visit the page, you get the cached version of mine, which already has my nonce on it. You can’t register with mine, since I already used mine.

    Getting this out of the cache setup and serving up a fresh page makes it work every time, since every visitor gets a new cookie, a new nonce, etc.

    Good luck!

    Thank you for your response.

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