PHP Error
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Hello,
I got always this PHP Error
Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method the_holiday_calendar::save() should not be called statically in ../wp-includes/class-wp-hook.php on line 300 Strict Standards: Non-static method thc_post_manager::save() should not be called statically in ../wp-content/plugins/the-holiday-calendar/the-holiday-calendar.php on line 306 Warning: Cannot modify header information – headers already sent by (output started at ../wp-includes/class-wp-hook.php:300) in ../wp-admin/post.php on line 197 Warning: Cannot modify header information – headers already sent by (output started at ../wp-includes/class-wp-hook.php:300) in ../wp-includes/pluggable.php on line 1210
Can you help?
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