call_user_func() expects parameter 1 to be a valid callback

  • Resolved VojtechParkan

    (@vojtechparkan)


    3 years, 7 months ago

    Hello, since new updates I experiencing several Warnings with your plugin. This is the first one:
    Warning: call_user_func() expects parameter 1 to be a valid callback, class ‘rsssl_admin’ does not have a method ‘about_to_expire’ in …/wp-content/plugins/really-simple-ssl/class-admin.php on line 3388

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