I try to connect a component with know parameters with one with variable dimension array : error message " Failed to deduce dimension 1 of conc due to missing bind"

The idea behind is that a connector could propagate all the data I need but failed.

package TestCharge2
  //
  type Conc = Real(final quantity = "Concentration", final unit = "mol/L", min = 0.0);
  //

  package Interfaces "Connectors to connect the Streams and Unit Operations"
    extends Modelica.Icons.InterfacesPackage;

    connector port_solution
      parameter Integer nbr_espece;
      Conc conc[nbr_espece];
      flow Real debit(unit = "L/h");
      annotation(
        Icon(coordinateSystem(initialScale = 0.1), graphics = {Rectangle(lineColor = {0, 70, 70}, fillColor = {0, 70, 70}, fillPattern = FillPattern.Solid, extent = {{-50, 50}, {50, -50}})}));
    end port_solution;

     connector port_in
      Conc conc[:] "Array";
      flow Real debit(unit = "L/h");
      annotation(
        Icon(coordinateSystem(initialScale = 0.1), graphics = {Rectangle(lineColor = {0, 70, 70}, fillColor = {0, 70, 70}, fillPattern = FillPattern.Solid, extent = {{-50, 50}, {50, -50}})}));
    end port_in;
  end Interfaces;

  //

  model Charge_aq_1 "Définitions des charges  "
    parameter Real Q = 1.;
    parameter Conc C1 = 0.5;
    parameter Conc C2 = 1.45;
    parameter Conc C3 = 3.;
   
    Interfaces.port_solution outlet_aq(nbr_espece = 3) annotation(
      Placement(visible = true, transformation(origin = {-110, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {-110, 0}, extent = {{-20, -20}, {20, 20}}, rotation = 0)));
     
  equation
    outlet_aq.debit = - Q "Débit sortant >0";
//
    outlet_aq.conc[:] = {C1, C2, C3};
  end Charge_aq_1;

  model App
    Interfaces.port_in inlet_aq "Inlet" annotation(
      Placement(visible = true, transformation(origin = {-110, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {110, 110}, extent = {{-20, -20}, {20, 20}}, rotation = 0)));
    Real C1;
  equation
    C1 = inlet_aq.conc[1];
  end App;

model Essai
  TestCharge2.Charge_aq_1 c1 annotation(
    Placement(visible = true, transformation(origin = {32, 32}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
App app annotation(
    Placement(visible = true, transformation(origin = {-22, 6}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
equation
  connect(c1.outlet_aq, app.inlet_aq) annotation(
  Line(points = {{22, 32}, {-10, 32}, {-10, 18}}, color = {0, 70, 70}));

end Essai;
end TestCharge2;