Error occurs regarding thermal modelling of a cylindrical lithium ion battery in 3D in COMSOL Multiphysics

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After running the application in the library and replace the cathode material with another material, following error occurs.

Undefined variable.

  • Variable: comp1.liion.cs
  • Geometry: geom1
  • Domain: 3 Failed to evaluate variable.
  • Variable: comp1.liion.pce2.pin1.minput_concentration
  • Defined as: comp1.liion.cs Failed to evaluate variable.
  • Variable: comp1.liion.Ds_pce2
  • Defined as: (((unit_m_cf^2)*comp1.mat1.def.DL_int1(((unit_m_cf^3)*comp1.liion.pce2.pin1.minput_concentration)/unit_mol_cf))exp(1984.604281934087(0.0033557046979865771084-(unit_K_cf/min(393.15,max(comp1.liion.pce2.pin1.minput_temperature,223.15))))))/unit_s_cf Failed to evaluate expression.
  • Expression: comp1.liion.Ds_pce2 Failed to evaluate expression.
  • Expression: comp1.atonly(comp1.liion.Ds_pce2) Failed to evaluate expression.
  • Expression: ((((d(comp1.liion.cs_pce2,xs_pce2_pin1)*(-(xs_pce2_pin1^2)))*comp1.liion.Ds_pce2)*comp1.liion.actvcorr_diff_pce2)*liion_pce2_pin1_xdim.atonly(dvol))*dvol Failed to evaluate Jacobian of expression.
  • Expression: ((-xs_pce2_pin1^2d(comp1.liion.cs_pce2,xs_pce2_pin1)comp1.liion.Ds_pce2comp1.liion.actvcorr_diff_pce2test(d(comp1.liion.cs_pce2,xs_pce2_pin1)))(liion_pce2_pin1_xdim.atonly(dvol)))(dvol)

I was trying to change the cathode material in an application already exist in the application library into another material already exist in the software.

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