Hi: I am using model loop based on initial PDB files, but there is a error:

Traceback (most recent call last): File "model.py", line 41, in ? a.make() File "/usr/lib64/python2.4/site-packages/modeller/automodel/loopmodel.py", line 36, in make automodel.make(self, exit_stage) File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 98, in make self.homcsr(exit_stage) File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 411, in homcsr aln = self.read_alignment() File "/usr/lib64/python2.4/site-packages/modeller/automodel/automodel.py", line 401, in read_alignment aln.append(file=self.alnfile, align_codes=self.knowns+[self.sequence]) File "/usr/lib64/python2.4/site-packages/modeller/alignment.py", line 81, in append allow_alternates) IOError: openf______E> Cannot open file : No such file or directory