سلام وقت بخیر

من زمانیکه فرم submit میشه بره برای پرداخت خطای زیر رو دریافت می‌کنم.

Warning: Cannot modify header information - headers already sent by (output started at C:\laragon\www\hel\wp-includes\class.wp-styles.php:290) in C:\laragon\www\hel\wp-includes\pluggable.php on line 1340

Warning: Cannot modify header information - headers already sent by (output started at C:\laragon\www\hel\wp-includes\class.wp-styles.php:290) in C:\laragon\www\hel\wp-includes\pluggable.php on line 1343

تصویر ضمیمه شد.