Hi @moreyfineart,
Thanks for reaching out to us.
As we are not experiencing this issue at our end so I request you to kindly share the issue at here as well https://quizandsurveymaster.com/contact-support/
Let us know.
Kind regards,
Kriti
Same exact error here, causing inability to log into /wp-admin (however the site itself works OK)
[07-Jul-2021 03:59:20 UTC] PHP Fatal error: Uncaught Error: Call to a member function get_author_permastruct() on null in /home/USERNAME/public_html/wp-includes/author-template.php:347
Stack trace:
#0 /home/USERNAME/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase2.php(2828): get_author_posts_url(‘1’)
#1 /home/USERNAME/public_html/wp-content/plugins/wp-super-cache/wp-cache-phase2.php(2924): wpsc_delete_post_archives(Object(WP_Post))
#2 /home/USERNAME/public_html/wp-includes/class-wp-hook.php(294): wp_cache_post_edit(58638)
#3 /home/USERNAME/public_html/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(”, Array)
#4 /home/USERNAME/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#5 /home/USERNAME/public_html/wp-includes/post.php(7080): do_action(‘clean_post_cach…’, 58638, Object(WP_Post))
#6 /home/USERNAME/public_html/wp-includes/post.php(4264): clean_post_cache(Object(WP_Post))
#7 /home/USERNAME/public_html/wp-content/plugins/quiz-master-next/php/classes/class-qmn-log-manager.php(128): wp_insert_post(Array)
#8 / in /home/USERNAME/public_html/wp-includes/author-template.php on line 347
Hi @sneader,
Kindly deactivate the cache plugin on your website before installing the QSM plugin. If the issue persists then please share the issue at here as well https://quizandsurveymaster.com/contact-support/ for further investigation.
Kind regards,
Kriti`
