After upgrading from 2.8.2 to Stash 2.9.1, I am seeing following issue.

I am seeing the following error after upgrading atlassian stash from 2.8.2 to 2.9.1 and while trying to access the section where it says "Access keys"

2013-11-19 23:18:53,577 ERROR [http-bio-7990-exec-54] 1398x907x0 1ianhtr 10.21.34.213,127.0.0.1 "GET /mvc/error500 HTTP/1.1" c.a.s.i.web.ErrorPageController There was an unhandled exception loading [/plugins/servlet/ssh/keys/projects/CBDS/repos/hydra]
com.atlassian.activeobjects.internal.ActiveObjectsSqlException: There was a SQL exception thrown by the Active Objects library:
Database:

• name:MySQL
• version:5.1.69-log
• minor version:1
• major version:5
  Driver:
• name:MySQL Connector Java
• version:mysql-connector-java-5.1.25 ( Revision: ${bzr.revision-id} )

com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'LABEL' at row 1
at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.create(EntityManagedActiveObjects.java:119) ~[na:na]
at com.atlassian.stash.internal.key.ssh.dao.v1.AccessKeySupportUpgradeTask.upgrade(AccessKeySupportUpgradeTask.java:58) ~[na:na]
at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl$1.doInTransaction(ActiveObjectUpgradeManagerImpl.java:81) ~[na:na]
at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl$1.doInTransaction(ActiveObjectUpgradeManagerImpl.java:76) ~[na:na]
at com.atlassian.sal.core.transaction.HostContextTransactionTemplate$1.doInTransaction(HostContextTransactionTemplate.java:25) ~[sal-core-2.10.9.jar:na]
at com.atlassian.stash.internal.sal.spi.HostContextAccessorImpl.doInTransaction(HostContextAccessorImpl.java:27) ~[stash-platform-2.9.1.jar:na]
at com.atlassian.sal.core.transaction.HostContextTransactionTemplate.execute(HostContextTransactionTemplate.java:21) ~[sal-core-2.10.9.jar:na]
at com.atlassian.activeobjects.internal.SalTransactionManager.inTransaction(SalTransactionManager.java:48) ~[na:na]
at com.atlassian.activeobjects.internal.AbstractLoggingTransactionManager.doInTransaction(AbstractLoggingTransactionManager.java:19) ~[na:na]
at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.executeInTransaction(EntityManagedActiveObjects.java:270) ~[na:na]
at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl.upgrade(ActiveObjectUpgradeManagerImpl.java:75) ~[na:na]
at com.atlassian.activeobjects.internal.ActiveObjectUpgradeManagerImpl.upgrade(ActiveObjectUpgradeManagerImpl.java:41) ~[na:na]
at com.atlassian.activeobjects.internal.AbstractActiveObjectsFactory.upgrade(AbstractActiveObjectsFactory.java:58) ~[na:na]
at com.atlassian.activeobjects.internal.AbstractActiveObjectsFactory.create(AbstractActiveObjectsFactory.java:46) ~[na:na]
at com.atlassian.activeobjects.internal.DelegatingActiveObjectsFactory.create(DelegatingActiveObjectsFactory.java:39) ~[na:na]
at com.atlassian.activeobjects.osgi.ActiveObjectsServiceFactory.createActiveObjects(ActiveObjectsServiceFactory.java:136) ~[na:na]
at com.atlassian.activeobjects.osgi.ActiveObjectsServiceFactory.access$000(ActiveObjectsServiceFactory.java:51) ~[na:na]
at com.atlassian.activeobjects.osgi.ActiveObjectsServiceFactory$1$1.get(ActiveObjectsServiceFactory.java:65) ~[na:na]
at com.atlassian.activeobjects.osgi.ActiveObjectsServiceFactory$1$1.get(ActiveObjectsServiceFactory.java:61) ~[na:na]
at com.atlassian.activeobjects.osgi.DelegatingActiveObjects$MemoizingSupplier.get(DelegatingActiveObjects.java:156) ~[na:na]
at com.atlassian.activeobjects.osgi.DelegatingActiveObjects.executeInTransaction(DelegatingActiveObjects.java:133) ~[na:na]
at com.atlassian.stash.internal.key.ssh.DefaultSshKeyAccessService.findByRepository(DefaultSshKeyAccessService.java:129) ~[na:na]
at com.atlassian.stash.internal.ssh.fragments.SshKeysContextProvider.createKeyTableContext(SshKeysContextProvider.java:63) ~[na:na]
at com.atlassian.stash.internal.ssh.servlet.ViewKeysServlet.doGetInternal(ViewKeysServlet.java:80) ~[na:na]
at com.atlassian.stash.internal.ssh.servlet.BaseSshServlet.doGet(BaseSshServlet.java:84) ~[na:na]
at com.atlassian.applinks.core.rest.context.ContextFilter.doFilter(ContextFilter.java:25) ~[na:na]
at com.atlassian.stash.internal.spring.security.StashAuthenticationFilter.doFilter(StashAuthenticationFilter.java:90) ~[StashAuthenticationFilter.class:na]
at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doInsideSpringSecurityChain(BeforeLoginPluginAuthenticationFilter.java:111) ~[BeforeLoginPluginAuthenticationFilter.class:na]
at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:77) ~[BeforeLoginPluginAuthenticationFilter.class:na]
at com.atlassian.security.auth.trustedapps.filter.TrustedApplicationsFilter.doFilter(TrustedApplicationsFilter.java:100) ~[atlassian-trusted-apps-core-3.0.2.jar:na]
at com.atlassian.oauth.serviceprovider.internal.servlet.OAuthFilter.doFilter(OAuthFilter.java:61) ~[na:na]
at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doBeforeBeforeLoginFilters(BeforeLoginPluginAuthenticationFilter.java:89) ~[BeforeLoginPluginAuthenticationFilter.class:na]
at com.atlassian.stash.internal.web.auth.BeforeLoginPluginAuthenticationFilter.doFilter(BeforeLoginPluginAuthenticationFilter.java:75) ~[BeforeLoginPluginAuthenticationFilter.class:na]
at com.atlassian.stash.internal.request.DefaultRequestManager.doAsRequest(DefaultRequestManager.java:72) ~[stash-service-impl-2.9.1.jar:na]
at java.lang.Thread.run(Thread.java:662) [na:1.6.0_38]
... 233 frames trimmed
Caused by: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'LABEL' at row 1
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4185) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4119) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2815) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2458) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2375) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2359) ~[mysql-connector-java-5.1.25-bin.jar:na]
at com.jolbox.bonecp.PreparedStatementHandle.executeUpdate(PreparedStatementHandle.java:203) ~[bonecp-0.7.1.RELEASE.jar:0.7.1.RELEASE]
at net.java.ao.DatabaseProvider.executeInsertReturningKey(DatabaseProvider.java:2024) ~[na:na]
at net.java.ao.DatabaseProvider.insertReturningKey(DatabaseProvider.java:1931) ~[na:na]
at net.java.ao.EntityManager.create(EntityManager.java:425) ~[na:na]
at net.java.ao.EntityManager.create(EntityManager.java:462) ~[na:na]
at com.atlassian.activeobjects.internal.EntityManagedActiveObjects.create(EntityManagedActiveObjects.java:115) ~[na:na]
... 35 common frames omitted