Accidentally DELETED discussions in elgg_objects_entity!, Please help me...

Hello,

ELGG CONFIGURATION;
XAMPP v3.2.2 - Apache, MySQL, PHP...
Accidentally DELETED discussions from elgg_objects_entity table!, and I am not able to undo it...
Tried to run Unit and Integration Tests!, but I am getting page cannot be displayed...
How can I add discussions to elgg_objects_entity table again?...
Thank you

Regards,

Praveen Thomas