No matter what I do, I get this error and cannot complete upgrade, Can anyone help please??

ERROR occured - System.Data.SqlClient.SqlException (0x80131904): There is already an object named 'Skins' in the database. at System.Data.SqlClient.SqlConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)

 at System.Data.SqlClient.SqlInternalConnection. (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 DotNetNuke.Data.SqlDataProvider.ExecuteScriptInternal(String connectionString, String script)

 ClientConnectionId:0bb338a4-5438-4355-805d-160924bdd138

 Error Number:2714,State:6,Class:16

 CREATE TABLE dbo.[Skins]

 (

 [SkinID] [int] NOT NULL IDENTITY(1, 1),

 [SkinPackageID] [int] NOT NULL,

 [SkinSrc] [nvarchar] (250) NOT NULL

 )

 System.Data.SqlClient.SqlException (0x80131904): Table 'Skins' already has a primary key defined on it.

 Could not create constraint. See previous errors.

 at System.Data.SqlClient.SqlConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)

 at System.Data.SqlClient.SqlInternalConnection. (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 DotNetNuke.Data.SqlDataProvider.ExecuteScriptInternal(String connectionString, String script)

 ClientConnectionId:0bb338a4-5438-4355-805d-160924bdd138

 Error Number:1779,State:0,Class:16

 ALTER TABLE dbo.[Skins] ADD CONSTRAINT [PK_Skins] PRIMARY KEY CLUSTERED ([SkinID])

 System.Data.SqlClient.SqlException (0x80131904): There is already an object named 'SkinPackages' in the database.

 at System.Data.SqlClient.SqlConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)

 at System.Data.SqlClient.SqlInternalConnection. (SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)

 at