Problem with update from SDP 8127 to 8200

Problem with update from SDP 8127 to 8200

Hello
On the test server, I try to make upgrade from version 8127 to 8200. When I run updatemanager, i see an error:
===
root@ubuntu:/opt/ServiceDesk/bin# sh UpdateManager.sh -c
Press i to  Install
      v to  View installed ServicePack versions
      e to  Exit
Choose an Option:i
Enter the patch file to install:update.ppm
PPM Installation failed. Please contact the support team.

Starting mysql server

Unable to start the DB. Possibly server is running if so Please shutdown the server
                     (or)
Previous upgrade is failed and the message for the same will be displayed in the Command Prompt.
===
why the update manager it trying to start mysql server when i have only pgsql data base?
also I have tryed to make a clear install sdp 8126 for update it to 8127 and after update to 8200 but when i start update manager i see the same error 
 ManageEngine_ServiceDesk_Plus_8_1_0_SP-0_27_0.ppm

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