Hi

Am also getting same issue:

[03-Jun-2021 15:22:47 UTC] PHP Notice: Undefined index: avia_ext in /home/owlbooksco/beta.owlbooks.co.in/wp-content/themes/enfold/framework/php/function-set-avia-ajax.php on line 1074
[03-Jun-2021 15:22:47 UTC] PHP Fatal error: Uncaught TypeError: Argument 1 passed to avia_wp_import::extract_default_values() must be of the type array, null given, called in /home/owlbooksco/beta.owlbooks.co.in/wp-content/themes/enfold/framework/php/function-set-avia-ajax.php on line 1074 and defined in /home/owlbooksco/beta.owlbooks.co.in/wp-content/themes/enfold/framework/php/wordpress-importer/avia-import-class.php:302
Stack trace:
#0 /home/owlbooksco/beta.owlbooks.co.in/wp-content/themes/enfold/framework/php/function-set-avia-ajax.php(1074): avia_wp_import->extract_default_values(NULL, Array, Array)
#1 /home/owlbooksco/beta.owlbooks.co.in/wp-includes/class-wp-hook.php(292): avia_ajax_import_config_file(”)
#2 /home/owlbooksco/beta.owlbooks.co.in/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(”, Array)
#3 /home/owlbooksco/beta.owlbooks.co.in/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#4 /home/owlbooksco/beta.owlbooks.co.in/wp-admin/admin-ajax.php(187): do_action(‘wp_ajax_avia_aj…’)
#5 {main}