A Database Error Occurred

[RayhanYulanda]

Error Number: 1205
Lock wait timeout exceeded; try restarting transaction
INSERT INTO users_groups (group_id, user_id) VALUES (2, 4)
Filename: C:/xampp/htdocs/ci-adminlte/system/database/DB_driver.php
Line Number: 691

I tried open with phpmyadmin but i got this

[RayhanYulanda]

I solved it after drop and create new db