Unable to Start Analytical Engine

Hello Seniors,

I am unable to start Analytical Engine in our new upgarded version 9.5 environment. it gives below error.
(OPTIMIZE) [Analytic Engine v9.5.0.0.Stack.UnknownKey] 2014-08-14 12:58:52.524 SAST ERROR: Unable to start the engine.
(OPTIMIZE) [Analytic Engine v9.5.0.0.Stack.UnknownKey] 2014-08-14 12:58:52.524 SAST ERROR: java.lang.NoSuchMethodError: com.webMethods.optimize.event.common.CanonicalDimensionAttribute.(Ljava/lang/String;Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;)V
at com.webMethods.optimize.event.handler.EventMetadataStorage.loadDimAttributes(EventMetadataStorage.java:1573)
at com.webMethods.optimize.event.handler.EventMetadataStorage.loadDefinitionAttributes(EventMetadataStorage.java:1398)
at com.webMethods.optimize.event.handler.EventMetadataStorage.loadDefinition(EventMetadataStorage.java:1229)
at com.webMethods.optimize.event.handler.EventMetadataStorage.loadVersionedDefinition(EventMetadataStorage.java:109)
at com.webMethods.optimize.event.util.BaseEventStorage.loadAllDeployedDefinitions(BaseEventStorage.java:323)
at com.webMethods.optimize.metadata.EventMapDefinitionStateLoader.definitionsLoaded(EventMapDefinitionStateLoader.java:66)
at com.webMethods.optimize.metadata.BaseDefinitionStateLoader.load(BaseDefinitionStateLoader.java:60)
at com.webMethods.optimize.core.DefinitionStateProvider.load(DefinitionStateProvider.java:1026)
at com.webMethods.optimize.core.DefinitionStateProvider.start(DefinitionStateProvider.java:97)
at com.webMethods.optimize.migration.BaseDbMigration.setupDefinitionCache(BaseDbMigration.java:208)
at com.webMethods.optimize.migration.BaseDbMigration.(BaseDbMigration.java:140)
at com.webMethods.optimize.migration.AnalysisDbMigration40To45.(AnalysisDbMigration40To45.java:58)
at com.webMethods.optimize.migration.DbMigrationFactory.createAnalysisDbMigrationInstance(DbMigrationFactory.java:64)
at com.webMethods.optimize.migration.DbMigration.migrateAnalysis(DbMigration.java:108)
at com.webMethods.optimize.migration.DbMigration.migrate(DbMigration.java:63)
at com.webMethods.optimize.stack.Stack.performMigration(Stack.java:350)
at com.webMethods.optimize.service.external.util.HttpWSServer.startEngineServices(HttpWSServer.java:148)
at com.webMethods.optimize.service.external.util.HttpWSServer.start(HttpWSServer.java:129)
at com.webMethods.optimize.stack.Stack.(Stack.java:78)
at com.webMethods.optimize.stack.Stack.main(Stack.java:393)
(OPTIMIZE) [Analytic Engine v9.5.0.0.HttpWSServer.serverExiting] 2014-08-14 12:58:52.564 SAST INFO: Server exiting due to [Startup failure]

Please advise if any one face this situation.

Thanks,
Shaik