I’m getting these error messages upon activation:

The plugin generated 499 characters of unexpected output during activation. If you notice “headers already sent” messages, problems with syndication feeds or other issues, try deactivating or removing this plugin.

version in /nas/content/live/medicareanswer/wp-content/plugins/empty-fields-remover-for-cf7-email/emty-field-label-remover.php on line 16

Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method efr_cf7_admin::add_wcals_admin_menu() should not be called statically in /nas/content/live/medicareanswer/wp-includes/class-wp-hook.php on line 286

Email(2) content it’s the same that Email content !!!