V10 - AfterBusinessObject method gives error when executing in Executive

At Executive, AfterOpenCompany already responds but gives the following error and closes the application. Even if it gives an error, the ERP has to open it. Error:

Code:

publicclassApiPlataforma:Plataforma{publicApiPlataforma(){AppDomain.CurrentDomain.AssemblyResolve+=newResolveEventHandler(CurrentDomain_AssemblyResolve);PSO.Dialogos.MostraAviso("Construtor");
    }

    public override void DepoisDeAbrirEmpresa(ExtensibilityEventArgs e)
    {
        PSO.Dialogos.MostraAviso("Depois de abrir a empresa");
        base.DepoisDeAbrirEmpresa(e);   
    }

    static System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
    {
        string assemblyFullName;

        System.Reflection.AssemblyName assemblyName;

        const string PRIMAVERA_FOLDER = "PRIMAVERA\SG100\Apl";

        assemblyName = new System.Reflection.AssemblyName(args.Name);
        assemblyFullName = System.IO.Path.Combine(System.IO.Path.Combine(System.Environment.GetFolderPath(Environment.SpecialFolder.ProgramFilesX86), PRIMAVERA_FOLDER), assemblyName.Name + ".dll");

        if (System.IO.File.Exists(assemblyFullName))
            return System.Reflection.Assembly.LoadFile(assemblyFullName);
        else
            return null;
    }


}