Error in /manatee.ks/do_query

Script /manatee.ks/do_query
RuntimeError: query evaluation error:FileAccessError (/disk/manatee/par_skcs_all_30_sk/lemma.rev.idx) in MapBinFile:mmap [Cannot allocate memory] Line 167     cxattr2=config.tok_attr[1]

Traceback (most recent call last):
  File "/usr/share/karrigell/core/k_script.py", line 145, in render
    self.run_script(ns)
  File "/usr/share/karrigell/modules/mod_ks.py", line 64, in run_script
    exec("%s(%s)" %(function,args)) in ns
  File "<string>", line 1, in <module>
  File "<string>", line 167, in do_query
  File "/data/shared/par-sken/web/lib/manateelib/corpint.py", line 275, in __init__
    self.KWIC = ParKWIC(cc, query, lc='-1:s', rc='1:s', kwicattr=kwicattr, cxattr=cxattr, structs=structs)
  File "/data/shared/par-sken/web/lib/manateelib/corpint.py", line 34, in __init__
    self.conc = manatee.Concordance(self.corpus.manateecorpus, q, 0)
  File "/data/shared/par-sken/web/lib/manateelib/manatee.py", line 372, in __init__
    _swig_setattr(self, Concordance, 'this', _manatee.new_Concordance(*args))
RuntimeError: query evaluation error:FileAccessError (/disk/manatee/par_skcs_all_30_sk/lemma.rev.idx) in MapBinFile:mmap [Cannot allocate memory]