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Every time I delete a post that has a comment I get the following warning below. I have already deactivated every plugin except for Speed Optimizer and switched to the basic 2024 theme. I still get the warning.
Warning: Attempt to read property “comment_post_ID” on null in /home/customer/www/domain.com/public_html/wp-content/plugins/sg-cachepress/core/Supercacher/Supercacher_Comments.php on line 34
Warning: Cannot modify header information – headers already sent by (output started at /home/customer/www/domain.com/public_html/wp-content/plugins/sg-cachepress/core/Supercacher/Supercacher_Comments.php:34) in /home/customer/www/domain.com/public_html/wp-includes/pluggable.php on line 1435