error in final execution of NOE in relax -- June 24, 2016 - 06:50

Dear all,

I am getting an error in final step of NOE which is the "execution" step.
the error reads as follows:

Traceback (most recent call last):
  File "gui/analyses/execute.py", line 87, in run
    self.run_analysis()
  File "gui/analyses/auto_noe.py", line 378, in run_analysis
    NOE_calc(pipe_name=self.data.pipe_name,
pipe_bundle=self.data.pipe_bundle, file_root=self.data.file_root,
results_dir=self.data.save_dir, save_state=False)
  File "auto_analyses/noe.py", line 90, in __init__
    self.run()
  File "auto_analyses/noe.py", line 105, in run
    self.interpreter.minimise.calculate()
  File "prompt/uf_objects.py", line 225, in __call__
    self._backend(*new_args, **uf_kargs)
  File "pipe_control/minimise.py", line 102, in calc
    api = return_api()
  File "specific_analyses/api.py", line 133, in return_api
    from specific_analyses.noe.api import Noe
ImportError: No module named api


I have loaded my ref and sat files and when i  try to execute i am getting
this error every time.
basic informations:
I have used all files from test suite itself.
and the loaded spins are from a structure file 172 spin system
every step same as mentioned in program noe.py  or manual gui.

if anyone can help me please reply .
waiting for your reply.

Regards
Rakesh Sharma
IISER Mohali