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Secondd_CG_minimize: Can not converge to requested precision in 100 iterations
        Best convergence achievable is 0.929215E-02eV/A**2   
        Consider increasing PHONON_MAX_CYCLES or convergence tolerance PHONON_ENERGY_TOL



  ERROR detected in secondd_phonon_linmin_E2                   ?
?             Line minimiser found a MAXIMUM in variational E(2)               ?
?   trial step                   =   -94.898797                                ?
?   step to stationary point     =    27.881117                                ?
?   E(2)     before line step    =   -9798.4934     eV/A**2                    ?
?   dE(2)/dx before line step    =   0.54520667     eV/A**2                    ?
?   E(2)     after trial step    =   -9938.2859     eV/A**2                    ?
?   E(2)     at stationary point =   -9790.8929     eV/A**2                    ?
?                                                                              ?
?   This can be caused by the system having no or very small band gap.         ?
?   We suggest running a bandstructure calculation to investigate.             ?
?                                                                              ?
?      CONVERGENCE OF FIRST ORDER DFPT WAVEFUNCTIONS HAS FAILED
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