Fatal error by clicking on the download link

Hello,

After sending the form, when I click on the download link, a fatal error occurs (I copy the error message below).

The last time the download link worked was on October 29.
In the meantime we have updated WordPress to 6.1.1 and PHP version to 8.1

Do you know where the problem comes from?
We have the latest version of the plugin.

Best regards.

—-

Fatal error: Uncaught Error: Call to undefined function set_time_limit() in /home/clients/www/wp-content/plugins/download-monitor/src/DownloadHandler.php:729 Stack trace: #0 /home/clients/www/wp-content/plugins/download-monitor/src/DownloadHandler.php(588): DLM_Download_Handler->download_headers(‘/home/clients…’, Object(DLM_Download), Object(DLM_Download_Version), false) #1 /home/clients/www/wp-content/plugins/download-monitor/src/DownloadHandler.php(346): DLM_Download_Handler->trigger(Object(DLM_Download)) #2 /home/clients/www/wp-includes/class-wp-hook.php(308): DLM_Download_Handler->handler(Object(WP)) #3 /home/clients/www/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(”, Array) #4 /home/clients/www/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #5 /home/clients/www/wp-includes/class-wp.php(399): do_action_ref_array(‘parse_request’, Array) #6 /home/clients/www/wp-includes/class-wp.php(780): WP->parse_request(”) #7 /home/clients/www/wp-includes/functions.php(1332): WP->main(”) #8 /home/clients/www/wp-blog-header.php(16): wp() #9 /home/clients/www/index.php(17): require(‘/home/clients/4…’) #10 {main} thrown in /home/clients/www/wp-content/plugins/download-monitor/src/DownloadHandler.php on line 729