Export Profile missing after updates

Export profile which was set in previous version will be missing

Under llx_export_model, fk_user will automatically set to 0 after update

DOLIBARR ENVIRONMENT
- Version: [8.01]
- Operating System: [Linux 2.6.32-673.26.1.lve1.4.27.el6.x86_64 #1]
- Web Server: [Apache 2.4.34]
- PHP: [PHP 5.6.37]
- Database: [mySQL 5.6.40]
- URL(s): [export.php?step=2&datatoexport=facture_2]

Hello

Is it deleted from the table too or just not showing in the frontend?

database was set to 0 for fk_user in llx_export_model after update

frontend userid 0 is able to view