jetpack

hi i install jetpack plugin but setup error ssl conection and to make ssl certificate
but error and home page is grayscreen

this message in host:

PHP Fatal error: Cannot use object of type WP_Error as array in /home/aquabe/domains/cafefanavar.ir/public_html/qusq/wp-content/themes/qusq-lite/inc/jetpack.php on line 601

i test localhost no problem but I encountered this error after transferring to the host