Help: db error installing helpcenter

[ka99]

Hi

I'm trying to install the product help center https://vborg.vbsupport.ru/showthread.php?t=176367

but after uploading the product the tables arent created in the db, I get the error:

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Database error in vBulletin 3.8.9:

Invalid SQL:
SELECT * FROM helpcenter_department ORDER BY displayorder;

MySQL Error : Table 'db_vb3.helpcenter_department' doesn't exist
Error Number : 1146
Request Date : Sunday, February 19th 2017 @ 10:21:27 PM
Error Date : Sunday, February 19th 2017 @ 10:21:27 PM
Script : http://xxx/vb/admincp/helpcenter_adm...do=departments
Referrer : http://xxx/vb/admincp/index.php?do=nav
IP Address : 188.153.230.15
Username : admin
Classname : vB_Database_MySQLi
MySQL Version : 5.6.35-log
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I looked at the db using phpmyadmin and didnt find the tables

how can I create the required tables ?

Thanks for the help