Reseller account or customer account is suspended when subscription is active.

Plesk returns error when trying to activate user.

Easy way to manually change account status to active by updating record in Plesk mysql database

Open command prompt window and run command

cd %plesk_dir%\Mysql\bin

mysql -uadmin -p -P 8306 psa

mysql> select * from clients where id ='15';

Suspended account should have status '16'

Run mysql query to update status to '0'

update clients set status='0' where id ='15';