求助，idpp.py生成过渡态出错

564059617

idpp.py:230: RuntimeWarning: invalid value encountered in true_divide
  tau1 = tmp1/np.linalg.norm(tmp1)
idpp.py:231: RuntimeWarning: invalid value encountered in true_divide
  tau2 = tmp2/np.linalg.norm(tmp2)
idpp.py:244: RuntimeWarning: invalid value encountered in true_divide
  tau1 = tmp1/np.linalg.norm(tmp1)
idpp.py:245: RuntimeWarning: invalid value encountered in true_divide
  tau2 = tmp2/np.linalg.norm(tmp2)
idpp.py:237: RuntimeWarning: invalid value encountered in true_divide
  tau1 = tmp1/np.linalg.norm(tmp1)
idpp.py:238: RuntimeWarning: invalid value encountered in true_divide
  tau2 = tmp2/np.linalg.norm(tmp2)
sorry, idpp can't reach converging! you may change the parameters                     or make the initial path by yourself!!!


Using CONTCARs to generate movie

麻烦各位大佬给看看是什么问题
idpp.py和POSCAR见附件