Traceback (most recent call last):
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 253, in <module>
    model=model, symbol=symbol, lattice=lattice, maxiter=500
  File "/disk2/worker/repository/td/LatticeConstantCubicEnergy__TD_475411767977_007/runner", line 231, in get_lattice_constant
    "".format(aopt_arr[0])
RuntimeError: Calculation converged to lattice constant (18.375) for which atoms have the same energy as in isolation. This may indicate the lattice is unstable.
Command exited with non-zero status 1

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