Support » Plugin: Slim Jetpack » Feedback form error

  • When trying to trash some spam (since there is no direct removal for it), and then when trying to permanently delete items from trash

    Warning: Cannot modify header information – headers already sent by (output started at …/wp-content/plugins/slimjetpack/modules/contact-form/grunion-contact-form.php:379) in …/wp-includes/pluggable.php on line 876

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