First log in to Plesk then check which domain the application isinstalled under Go to “Websites & Domains” and hover over the domain.
You should see something like https://localhost:8443/smb/web/settings/id/xxx
We want the Last number: xxx (555 for example)

Now you will need to login to the psa database:
cmd cd “path to your admin mysql\bin directory”

Provide the following command in windows command prompt:

#cd %plesk_dir%\mysql\bin && mysql.exe -u admin -P8306 psa -p

mysql –port=8306 -uroot -pThepassword

mysql> use psa;
mysql> select id from apsresources where pleskID=555;
+——+
| id |
+——+
| 101 |
| 102 |
+——+

mysql> delete from apsresourcesparameters where apsResourceId = 101;
Query OK, 2 rows affected (0.02 sec)

mysql> delete from apsresourcesparameters where apsResourceId = 102;
Query OK, 10 rows affected (0.00 sec)

mysql> delete from apsresources where pleskID=555;
Query OK, 2 rows affected (0.02 sec)

The ID 101 and 102 in this case are my plesk id replace it withcorresponding id that you get.
You should be good to go

If you require help, contact SupportPRO Server Admin