Ocorreu um erro interno no Cifra Melódica
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System.NullReferenceException: Object reference not set to an instance of an object.
at MySql.Data.MySqlClient.NativeDriver.ExecutePacket(MySqlPacket packetToExecute)
at MySql.Data.MySqlClient.NativeDriver.SendQuery(MySqlPacket queryPacket)
at MySql.Data.MySqlClient.Driver.SendQuery(MySqlPacket p)
at MySql.Data.MySqlClient.Statement.ExecuteNext()
at MySql.Data.MySqlClient.PreparableStatement.Execute()
at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior)
at MySql.Data.MySqlClient.MySqlCommand.ExecuteScalar()
at cifraCommand.ExecuteScalar()
at base_cifras_na_fila.base_cifras_na_fila_Load(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)