Can’t log into WordPress after some plugins update

  • So I ran updates on a few plugins. Now I can’t log into WordPress. Only get a white window with these lines:

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘sfsi_checkmetas’ not found or invalid function name in /home3/gesund/public_html/wp-includes/class-wp-hook.php on line 286

    Warning: Cannot modify header information – headers already sent by (output started at /home3/gesund/public_html/wp-includes/class-wp-hook.php:286) in /home3/gesund/public_html/wp-includes/pluggable.php on line 1251

    Warning: Cannot modify header information – headers already sent by (output started at /home3/gesund/public_html/wp-includes/class-wp-hook.php:286) in /home3/gesund/public_html/wp-includes/pluggable.php on line 1254

    Does anybody know what this means? Please help …

    • This topic was modified 5 years, 8 months ago by Roksoff.

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

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  • Moderator t-p

    (@t-p)

    Try manually resetting your plugins (no Dashboard access required). If that resolves the issue, reactivate each one individually until you find the cause.

    If that does not resolve the issue, access your server via SFTP or FTP, or a file manager in your hosting account’s control panel, navigate to /wp-content/themes/ and rename the directory of your currently active theme. This will force the default theme to activate and hopefully rule-out a theme-specific issue (theme functions can interfere like plugins).

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