[Ifeffit] larch can not deconvolve my data

Dear all, Recently I am trying to deconvolve a As K-edge xafs data using larch. But the xas viewer program always crash. I tried other K edge spetra, it worked well. I attached my data, please give me some help. 祝 好运！ Best regards, 王少锋，Shaofeng Wang, Ph.D 中国科学院沈阳应用生态研究所，Institute of Applied Ecology, CAS Email: wangshaofeng@iae.ac.cn; sf.wang@hotmail.com Address: Wenhua Road 72, Shenyang