Rocambole

Hi !

Sorry for the delay..

Everything is back to normal. No more error message.
I removed the leftover file and there has also been an update to the plugin. So, one or the other did the trick.

The error message was:

Une erreur de type E_ERROR a été causée dans la ligne 22 du fichier /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Importer/File_Reader.php. Message d’erreur : Uncaught ValueError: Path cannot be empty in /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Importer/File_Reader.php:22
Stack trace:
#0 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Importer/File_Reader.php(22): SplFileObject->__construct('')
#1 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/CSV.php(251): Tribe__Events__Importer__File_Reader->__construct(false)
#2 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/CSV.php(355): Tribe__Events__Aggregator__Record__CSV->get_importer()
#3 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/Queue.php(326): Tribe__Events__Aggregator__Record__CSV->continue_import()
#4 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/Queue_Processor.php(264): Tribe__Events__Aggregator__Record__Queue->process(5)
#5 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/Queue_Processor.php(138): Tribe__Events__Aggregator__Record__Queue_Processor->do_processing()
#6 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/Queue_Realtime.php(250): Tribe__Events__Aggregator__Record__Queue_Processor->process_batch(47745)
#7 /home/XXX/www/wp-content/plugins/the-events-calendar/src/Tribe/Aggregator/Record/Queue_Realtime.php(139): Tribe__Events__Aggregator__Record__Queue_Realtime->get_queue_progress_data()
#8 /home/XXX/www/wp-includes/class-wp-hook.php(326): Tribe__Events__Aggregator__Record__Queue_Realtime->receive_heartbeat(Array, Array)
#9 /home/XXX/www/wp-includes/plugin.php(205): WP_Hook->apply_filters(Array, Array)
#10 /home/XXX/www/wp-admin/includes/ajax-actions.php(3503): apply_filters('heartbeat_recei...', Array, Array, 'edit-et_pb_layo...')
#11 /home/XXX/www/wp-includes/class-wp-hook.php(324): wp_ajax_heartbeat('')
#12 /home/XXX/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#13 /home/XXX/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#14 /home/XXX/www/wp-admin/admin-ajax.php(192): do_action('wp_ajax_heartbe...')
#15 {main}
  thrown

Hope this helps.
Thank you.