Undefined offset in class.pack.database.php

During our nightly backups process we have the following two erros several times in debug.log

[05-Mar-2020 03:00:31 UTC] PHP Notice: Undefined offset: 78 in /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php on line 1284
[05-Mar-2020 03:00:31 UTC] PHP Stack trace:
[05-Mar-2020 03:00:31 UTC] PHP 1. {main}() /var/www/prod/wp-admin/admin-ajax.php:0
[05-Mar-2020 03:00:31 UTC] PHP 2. do_action() /var/www/prod/wp-admin/admin-ajax.php:190
[05-Mar-2020 03:00:31 UTC] PHP 3. WP_Hook->do_action() /var/www/prod/wp-includes/plugin.php:478
[05-Mar-2020 03:00:31 UTC] PHP 4. WP_Hook->apply_filters() /var/www/prod/wp-includes/class-wp-hook.php:312
[05-Mar-2020 03:00:31 UTC] PHP 5. DUP_PRO_Web_Services->process_worker() /var/www/prod/wp-includes/class-wp-hook.php:288
[05-Mar-2020 03:00:31 UTC] PHP 6. DUP_PRO_Package_Runner::process() /var/www/prod/wp-content/plugins/duplicator-pro/ctrls/class.web.services.php:115
[05-Mar-2020 03:00:31 UTC] PHP 7. DUP_PRO_Package->run_build() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.runner.php:471
[05-Mar-2020 03:00:31 UTC] PHP 8. DUP_PRO_Database->buildInChunks() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.php:1477
[05-Mar-2020 03:00:31 UTC] PHP 9. DUP_PRO_Database->writeInsertChunk() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php:768
[05-Mar-2020 03:00:31 UTC] PHP 10. DUP_PRO_Database->setProgressPer() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php:1126
[05-Mar-2020 03:00:31 UTC] PHP Notice: Undefined index: in /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php on line 1285
[05-Mar-2020 03:00:31 UTC] PHP Stack trace:
[05-Mar-2020 03:00:31 UTC] PHP 1. {main}() /var/www/prod/wp-admin/admin-ajax.php:0
[05-Mar-2020 03:00:31 UTC] PHP 2. do_action() /var/www/prod/wp-admin/admin-ajax.php:190
[05-Mar-2020 03:00:31 UTC] PHP 3. WP_Hook->do_action() /var/www/prod/wp-includes/plugin.php:478
[05-Mar-2020 03:00:31 UTC] PHP 4. WP_Hook->apply_filters() /var/www/prod/wp-includes/class-wp-hook.php:312
[05-Mar-2020 03:00:31 UTC] PHP 5. DUP_PRO_Web_Services->process_worker() /var/www/prod/wp-includes/class-wp-hook.php:288
[05-Mar-2020 03:00:31 UTC] PHP 6. DUP_PRO_Package_Runner::process() /var/www/prod/wp-content/plugins/duplicator-pro/ctrls/class.web.services.php:115
[05-Mar-2020 03:00:31 UTC] PHP 7. DUP_PRO_Package->run_build() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.runner.php:471
[05-Mar-2020 03:00:31 UTC] PHP 8. DUP_PRO_Database->buildInChunks() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.php:1477
[05-Mar-2020 03:00:31 UTC] PHP 9. DUP_PRO_Database->writeInsertChunk() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php:768
[05-Mar-2020 03:00:31 UTC] PHP 10. DUP_PRO_Database->setProgressPer() /var/www/prod/wp-content/plugins/duplicator-pro/classes/package/class.pack.database.php:1126