Transistor test model causing conflict with collector potential initial condition

Transistor2.mo

model Transistor2
  Modelica.Electrical.Analog.Basic.Resistor resistor1(R = 100000) annotation (
    Placement(visible = true, transformation(origin = {-40, 34}, extent = {{-10, -10}, {10, 10}}, rotation = -90)));
  Modelica.Electrical.Analog.Basic.Resistor resistor2(R = 1000) annotation (
    Placement(visible = true, transformation(origin = {-4, 34}, extent = {{-10, -10}, {10, 10}}, rotation = -90)));
  Modelica.Electrical.Analog.Semiconductors.NPN npn1(IC=0, UIC=true)
                                                     annotation (
    Placement(visible = true, transformation(origin = {-20, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
  Modelica.Electrical.Analog.Sources.ConstantVoltage constantVoltage1(V = 9) annotation (
    Placement(visible = true, transformation(origin={-70,30},    extent = {{-10, -10}, {10, 10}}, rotation = -90)));
  Modelica.Electrical.Analog.Basic.Ground ground1 annotation (
    Placement(visible = true, transformation(origin={50,-10},     extent = {{-10, -10}, {10, 10}}, rotation = 0)));
  Modelica.Electrical.Analog.Sources.ConstantVoltage constantVoltage2(V=1)   annotation (
    Placement(visible = true, transformation(origin={30,6},      extent = {{-10, -10}, {10, 10}}, rotation=0)));
equation
  connect(resistor1.p, constantVoltage1.p) annotation (
    Line(points={{-40,44},{-40,52},{-70,52},{-70,40}},                                color = {0, 0, 255}));
  connect(constantVoltage1.p, resistor2.p) annotation (
    Line(points={{-70,40},{-70,52},{-2,52},{-2,48},{-4,48},{-4,44}},               color = {0, 0, 255}));
  connect(resistor2.n, npn1.C) annotation (
    Line(points={{-4,24},{-4,6},{-10,6}},                  color = {0, 0, 255}));
  connect(resistor1.n, npn1.B) annotation (
    Line(points = {{-40, 24}, {-40, 24}, {-40, 0}, {-30, 0}, {-30, 0}}, color = {0, 0, 255}));
  connect(constantVoltage1.n, npn1.E) annotation (Line(points={{-70,20},{-70,-20},{-10,-20},{-10,-6}}, color={0,0,255}));
  connect(constantVoltage2.n, ground1.p) annotation (Line(points={{40,6},{50,6},{50,0}}, color={0,0,255}));
  connect(npn1.C, constantVoltage2.p) annotation (Line(points={{-10,6},{20,6}}, color={0,0,255}));
  annotation (
    uses(Modelica(version = "3.2.3")));
end Transistor2;