I just upgraded a site to 4.4.1 from 4.3.7. There was one error during the upgrade, and that error is the same error I'm getting when trying to delete a module (store module right now).
Error: Edit Module Definitions is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: The query has been canceled because the estimated cost of this query (716) exceeds the configured threshold of 300. Contact the system administrator. ---> System.Data.SqlClient.SqlException: The query has been canceled because the estimated cost of this query (716) exceeds the configured threshold of 300. Contact the system administrator. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(SqlConnection connection, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteNonQuery(String connectionString, String spName, Object[] parameterValues) at DotNetNuke.Data.SqlDataProvider.DeleteDesktopModule(Int32 DesktopModuleId) at DotNetNuke.Entities.Modules.DesktopModuleController.DeleteDesktopModule(Int32 DesktopModuleId) at DotNetNuke.Modules.Admin.ModuleDefinitions.EditModuleDefinition.cmdDelete_Click(Object sender, EventArgs e) --- End of inner exception stack trace ---
This is a pretty small site, with mainly announcements, test/html, etc. Two portals. I was just deletein modules I know will never be used.