Getting errors on the site after updating to wordpress 5.5
Hello,
Please check my live site dealvwant.com.
It shows the below error on the live site after updating to the latest Wordpress version 5.5.
Warning: Declaration of APP_Listing_Dependencies::do_item($handle) should be compatible with WP_Dependencies::do_item($handle, $group = false) in /home/dealvwa1/public_html/wp-content/themes/clipper/includes/core/class-listing-dependencies.php on line 0
My WordPress dashboard give below error
Warning: Declaration of APP_Listing_Dependencies::do_item($handle) should be compatible with WP_Dependencies::do_item($handle, $group = false) in /home/dealvwa1/public_html/wp-content/themes/clipper/includes/core/class-listing-dependencies.php on line 0
Warning: Cannot modify header information - headers already sent by (output started at /home/dealvwa1/public_html/wp-content/themes/clipper/includes/core/class-autoload.php:54) in /home/dealvwa1/public_html/wp-includes/pluggable.php on line 1296
I have downgraded Wordpress and restored the backup to previous date.
But the error was not gone.
I am not able to login in to Wordpress dashboard.