2018.09.16 19:17:44 ERROR web[][DbMigrations] #2210 'Add 'securityhotspotadmin' permission to templates characteristics already having 'issueadmin'': failure | time=8ms

I am using sonar version 7.3 and postgresql database version is 10.5.
would you please help me with this error, i am not able to understand what does it says and what i should do.

this error i am getting after i browse to http://<ip>:9000/setup and click on upgrade.
##########################
Error is as follows
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2018.09.16 19:17:44 INFO web[][DbMigrations] #2210 ‘Add ‘securityhotspotadmin’ permission to templates characteristics already having ‘issueadmin’’…
2018.09.16 19:17:44 ERROR web[][DbMigrations] #2210 ‘Add ‘securityhotspotadmin’ permission to templates characteristics already having ‘issueadmin’’: failure | time=8ms
2018.09.16 19:17:44 ERROR web[][DbMigrations] Executed DB migrations: failure | time=92ms
2018.09.16 19:17:44 ERROR web[][o.s.s.p.d.m.DatabaseMigrationImpl] DB migration failed | time=195ms
2018.09.16 19:17:44 ERROR web[][o.s.s.p.d.m.DatabaseMigrationImpl] DB migration ended with an exception
org.sonar.server.platform.db.migration.step.MigrationStepExecutionException: Execution of migration step #2210 ‘Add ‘securityhotspotadmin’ permission to templates characteristics already having ‘issueadmin’’ failed
at org.sonar.server.platform.db.migration.step.MigrationStepsExecutorImpl.execute(MigrationStepsExecutorImpl.java:79)
at org.sonar.server.platform.db.migration.step.MigrationStepsExecutorImpl.execute(MigrationStepsExecutorImpl.java:67)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.sonar.server.platform.db.migration.step.MigrationStepsExecutorImpl.execute(MigrationStepsExecutorImpl.java:52)
at org.sonar.server.platform.db.migration.engine.MigrationEngineImpl.execute(MigrationEngineImpl.java:68)
at org.sonar.server.platform.db.migration.DatabaseMigrationImpl.doUpgradeDb(DatabaseMigrationImpl.java:105)
at org.sonar.server.platform.db.migration.DatabaseMigrationImpl.doDatabaseMigration(DatabaseMigrationImpl.java:80)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.postgresql.util.PSQLException: ERROR: operator does not exist: smallint = boolean
Hint: No operator matches the given name and argument type(s). You might need to add explicit type casts.
Position: 107
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2433)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2178)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:306)
at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:441)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:365)
at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:155)
at org.postgresql.jdbc.PgPreparedStatement.executeQuery(PgPreparedStatement.java:118)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:96)
at org.sonar.server.platform.db.migration.step.SelectImpl.scroll(SelectImpl.java:74)
at org.sonar.server.platform.db.migration.step.MassUpdate.execute(MassUpdate.java:92)
at org.sonar.server.platform.db.migration.version.v73.PopulateHotspotAdminPermissionOnTemplatesCharacteristics.execute(PopulateHotspotAdminPermissionOnTemplatesCharacteristics.java:61)
at org.sonar.server.platform.db.migration.step.DataChange.execute(DataChange.java:44)
at org.sonar.server.platform.db.migration.step.MigrationStepsExecutorImpl.execute(MigrationStepsExecutorImpl.java:75)
… 9 common frames omitted
############## error log ended#########################

Please help me

Duplicates: