Error during version UPGRADE

HgLab.Core.Framework.Servicing.ServicingException: Could not perform Upgrade from version 0.3.10.0 to version 0.4.4.0 ---> HgLab.Core.Framework.Servicing.ServicingException: Could not execute DbMigrationTask for running version 0.3.10.0 and target version 0.4.4.0 ---> HgLab.Core.Framework.Servicing.Db.DbMigrationException: Cannot upgrade to '0.4.0' ---> HgLab.Core.Framework.Servicing.Db.DbMigrationException: Cannot execute 'create table [Discussion] (
[ID] bigint not null ,
[RepositoryID] bigint null ,
[Changeset] nvarchar(200) null ,
primary key (ID)
);

' ---> System.Data.SqlClient.SqlException: There is already an object named 'Discussion' in the database.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
   at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
   at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async, Int32 timeout, Boolean asyncWrite)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.ApplyMigration(SqlTransaction sqlTransaction, SqlConnection sqlConnection, String migration) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 95
   --- End of inner exception stack trace ---
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.ApplyMigration(SqlTransaction sqlTransaction, SqlConnection sqlConnection, String migration) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 103
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.UpgradeDatabase(SqlTransaction sqlTransaction, SqlConnection sqlConnection, Version migrationVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 76
   --- End of inner exception stack trace ---
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.UpgradeDatabase(SqlTransaction sqlTransaction, SqlConnection sqlConnection, Version migrationVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 83
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.UpgradeDatabase(SqlTransaction sqlTransaction, SqlConnection sqlConnection, List`1 migrationVersions) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 65
   at HgLab.Core.Framework.Servicing.Db.DbSchemaMigration.UpgradeDatabase(Version currentVersion, Version targetVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Db\DbSchemaMigration.cs:line 53
   at HgLab.Core.Framework.Servicing.Impl.DbMigrationTask.InternalExecute(Version runningVersion, Version targetVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Impl\DbMigrationTask.cs:line 12
   at HgLab.Core.Framework.Servicing.Task.Execute(Version runningVersion, Version targetVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Task.cs:line 21
   --- End of inner exception stack trace ---
   at HgLab.Core.Framework.Servicing.Task.Execute(Version runningVersion, Version targetVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Task.cs:line 30
   at HgLab.Core.Framework.Servicing.Impl.ServicingManagerService.ExecuteTaskSequence(IEnumerable`1 taskSequence, Version runningVersion, Version targetVersion) in z:\hglab\src\HgLab.Core\Framework\Servicing\Impl\ServicingManagerService.cs:line 64
   at HgLab.Core.Framework.Servicing.Impl.ServicingManagerService.PerformUpgrade() in z:\hglab\src\HgLab.Core\Framework\Servicing\Impl\ServicingManagerService.cs:line 111
   --- End of inner exception stack trace ---
   at HgLab.Core.Framework.Servicing.Impl.ServicingManagerService.PerformUpgrade() in z:\hglab\src\HgLab.Core\Framework\Servicing\Impl\ServicingManagerService.cs:line 120
   at HgLab.Areas.Dashboard.Controllers.ServicingController.Upgrade(UpgradeModel model) in z:\hglab\src\HgLab\Areas\Dashboard\Controllers\ServicingController.cs:line 41