ERROR!![COMSOL]

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I've been trying to fix these error , maybe need to change value for mesh and variable , i will able update the solver on the next post , thanks.

error:

Undefined variable.

- Variable: material.sigma12

- Geometry: geom1

- Domain: 3

Failed to evaluate variable.

- Variable: comp1.mf.sigmaxy

- Defined as: material.sigma12

Failed to evaluate variable.

- Variable: comp1.mf.Jix

- Defined as: ((comp1.mf.Ey*comp1.mf.sigmaxy)+(comp1.mf.sigmaxx*comp1.mf.Ex))+(comp1.mf.Ez*comp1.mf.sigmaxz)

Failed to evaluate variable.

- Variable: comp1.mf.Jx

- Defined as: comp1.mf.Jix+comp1.mf.Jdx

Failed to evaluate expression.

- Expression: d((comp1.mf.d*(-comp1.mf.Hx*comp1.mf.testcurlAx-comp1.mf.Hy*comp1.mf.testcurlAy-comp1.mf.Hz*comp1.mf.testcurlAz+comp1.mf.Jx*test(comp1.mf.Adepx)+comp1.mf.Jy*test(comp1.mf.Adepy)+comp1.mf.Jz*test(comp1.mf.Adepz)))*(dvol),{test@6})









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