Trying to start PostgresSQL server failed Unclean shutdown of previous run.

Hello,
I have a probem with ServiceDesk Plus from December
I cannot start the ServiceDesk since then.

:~# /etc/init.d/servicedesk start
Starting AdventNet ManageEngine ServiceDesk-Plus

:~# tail -f /var/log/servicedesk-plus.log
JAVA_OPTS: -server -Xms128m -Xmx2512m -XX:PermSize=64m -XX:MaxPermSize=256m -Dprogram.name=run.sh -Djboss.server.type=com.adventnet.j2ee.deployment.system.AdventNetServerImpl -Djboss.deploy.localcopy=true -Djboss.boot.library.list=log4j-boot.jar,jboss-common.jar,jboss-system.jar,AdventNetDeploymentSystem.jar,commons-logging.jar -Dsdp.java.gc=false -Ddb.home=./../pgsql -Dserver.dir=/usr/local/ManageEngine/ServiceDesk -Dorg.jboss.logging.Log4jService.catchSystemOut=false -Dorg.jboss.logging.Log4jService.catchSystemErr=false -Djava.util.logging.manager=com.adventnet.logging.LogManager -Djava.util.logging.config.file=/usr/local/ManageEngine/ServiceDesk/server/default/conf/logging.xml -Djava.util.logging.config.class=com.adventnet.logging.LoggingScanner -Dlog.dir=/usr/local/ManageEngine/ServiceDesk/server/default -DisSDP=true -Dorg.apache.catalina.connector.CoyoteAdapter.ALLOW_BACKSLASH=true -Dconnection.track=true -Dtier-type=BE -Dtier-id=BE1 -Djava.library.path=/usr/local/ManageEngine/ServiceDesk/lib/native -Dfile.encoding=UTF-8 -Duser.language=en -Duser.region=US -Djava.awt.headless=true

CLASSPATH: /usr/local/ManageEngine/ServiceDesk/bin/run.jar:./../jre/lib/tools.jar:/usr/local/ManageEngine/ServiceDesk/lib/AdventNetLogging.jar:/usr/local/ManageEngine/ServiceDesk/lib/AdventNetNPrevalent.jar:/usr/local/ManageEngine/ServiceDesk/lib:/usr/local/ManageEngine/ServiceDesk/lib/AdventNetUpdateManagerInstaller.jar

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Trying to start PostgresSQL server failed
Unclean shutdown of previous run.
Failed to start the server. Please refer logs for more details