Hi, I got this eception with command derive parameters of stored procedures without parameters.
In the script.sql there are the table and stored procedures to run this project.

Execption:
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Source = "MySql.Data"
Message = "Object reference not set to an instance of an object."
StackTrace = "   at MySql.Data.MySqlClient.StoredProcedure.DiscoverParameters(MySqlCommand cmd, String procType)\r\n   at MySql.Data.MySqlClient.MySqlCommandBuilder.DeriveParameters(MySqlCommand command)\r\n   at MySqlClientBug.Form1.btnCaso2_Click(Object sender, EventA...
TargetSite = {Void DiscoverParameters(MySql.Data.MySqlClient.MySqlCommand, System.String)}
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Thank you very much!