error on wp-includes/plugin.php

  • rytisg

    (@rytisg)


    10 years, 5 months ago

    Hey. Yesterday I was editing Woocommerce plugin when my site went blank. Specifically mysite->wp-content->plugins->woocommerce->includes->class-wc-countries.php I deleted the edits I made via FTP and the site went live again, but now there’s an error “Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, ‘WC_visibility_Tab::activate_filter’ was given in /srv/disk10/2014103/www/mysite.com/wp-includes/plugin.php on line 525”

    Line 525 is call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args']));

    How do I fix this?

    EDIT: After yesterday’s messing about, I’m also getting this infinite spinner on checkout.

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  • Thread Starter rytisg

    (@rytisg)

    10 years, 5 months ago

    Moreover, whenever I try to activate or deactivate any plugin, I get an error:

    Warning: Cannot modify header information – headers already sent by (output started at /srv/disk10/2014103/www/mysite.com/wp-includes/plugin.php:525) in /srv/disk10/2014103/www/mysite.com/wp-includes/pluggable.php on line 1228

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