getting some error

There are 13k + orders. We’re trying to export all completed orders. Tried with small numbers but still got instant error.

Server architecture Linux 5.15.0-112-generic x86_64
Web server Apache/2.4.52 (Ubuntu)
PHP version 7.4.33 (Supports 64bit values)
PHP SAPI fpm-fcgi
PHP max input variables 3000
PHP time limit 1800
PHP memory limit 1024M
Max input time 3000
Upload max filesize 256M
PHP post max size 256M
cURL version 7.81.0 OpenSSL/3.0.2
Is SUHOSIN installed? No
Is the Imagick library available? Yes
Are pretty permalinks supported? Yes
.htaccess rules Custom rules have been added to your .htaccess file.
Current time 2024-06-14T06:21:10+00:00
Current UTC time Friday, 14-Jun-24 06:21:10 UTC
Current Server time 2024-06-14T06:21:05+00:00

We are unable to complete your request.Try reducing the import batch count to 5 or less and increasing the Maximum execution time in the?General settings.

If not resolved, contact the?support team?with the?WooCommerce fatal error log, if any.

Here’s the error log

[Fri Jun 14 06:19:49.958647 2024] [proxy_fcgi:error] [pid 1141209:tid 139912975787584] [remote 171.78.XXX.XXX:55539] AH01071: Go t error 'PHP message: PHP Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/example.com/public /wp-content/plugins/order-import-export-for-woocommerce/admin/modules/order/export/export.php:336\nStack trace:\n#0 /var/www/exa mdaur.in/public/wp-content/plugins/order-import-export-for-woocommerce/admin/modules/order/order.php(191): Wt_Import_Export_For_ Woo_Basic_Order_Export->prepare_data_to_export()\n#1 /var/www/example.com/public/wp-includes/class-wp-hook.php(324): Wt_Import_E xport_For_Woo_Basic_Order->exporter_do_export()\n#2 /var/www/example.com/public/wp-includes/plugin.php(205): WP_Hook->apply_filt ers()\n#3 /var/www/example.com/public/wp-content/plugins/order-import-export-for-woocommerce/admin/modules/export/export.php(674): apply_filters()\n#4 /var/www/example.com/public/wp-content/plugins/order-import-export-for-woocommerce/admin/modules/export/c lasses/class-export-ajax.php(207): Wt_Import_Export_For_Woo_Basic_Export->process_action()\n#5 /var/www/example.com/public/wp-co nten…', referer: https://example.com/wp-admin/admin.php?page=wt_import_export_for_woo_basic_export