Support » Theme: Twenty Twenty-One » Non-static method xx::xx() should not be called statically

  • Twenty Twenty One child theme
    WordPress 5.9.3
    php 7.3.27

    Hello,
    My site, that is very simple, that has these characteristics above, is giving me some problems when Im using the newsletter plugin to send a newsletter. When I do a mailing test, on the delivery diagnostic of the newsletter plugin, I got this message below:
    “Non-static method BasicSEO::init_menu() should not be called statically”
    How can I fix this error? can anybody help me?
    Thank you a lot in advance
    Daniel

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Viewing 3 replies - 1 through 3 (of 3 total)
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