invalid nonce

  • Hello,
    I could not reach my site which returned me the following error message: ‘nonce not valid’; Since version 215 of Ultimate-Member, all versions malfunction and my site is inaccessible. I recently installed version 218 and when I try to access my site’s home page the message that appears is: ‘invalid nonce.’ The only solution was to restore the site to an old date, but I lost days of work.

    Do you have information to resolve this problem? Is there a list of Plugins that is not compatible with Ultimate-Member?

    Best regards

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