Exception while calling your likelihood function

[getrude386]

Hi, can you please assist me with this error:

processing all 4 sources with 1 cpus
Filter set contains 23 bands
Model sets contains 18 bands

Fitting sources from catalog: /idia/users/thando/AGNfitter/data/cosmos.txt

• Sourceline: 0
• Sourcename: 119920
  ......................................................
  model parameters ('tau', 'age', 'Nh', 'irlum', 'SB', 'BB', 'GA', 'TO', 'EBVbbb', 'EBVgal')
  minimum values (0.0, 5.0, 21.0, 7.0, 0.0, 0.0, 0.0, 0.0, -0.1, -0.1)
  maximum values (15, 9.976882609374064, 25, 15, 10.0, 10.0, 10.0, 10.0, 1.0, 1.0)
  ......................................................
  100 walkers
  Running burn-in nr. 0 with 4000 steps
  emcee: Exception while calling your likelihood function:
  exception:
  Traceback (most recent call last):
  File "/idia/users/thando/AGNfitter/emcee/ensemble.py", line 465, in call
  return self.f(x, *self.args)
  File "/idia/users/thando/AGNfitter/functions/PARAMETERSPACE_AGNfitter.py", line 124, in ln_probab
  posterior = lnp + ln_likelihood(data.nus,data.fluxes,data.fluxerrs, data.z, y_model)
  File "/idia/users/thando/AGNfitter/functions/PARAMETERSPACE_AGNfitter.py", line 97, in ln_likelihood
  resid = [(y[i] - y_model[i])/ysigma[i] for i in x_valid]
  IndexError: index 18 is out of bounds for axis 0 with size 18
  Traceback (most recent call last):
  File "./RUN_AGNfitter_multi.py", line 264, in
  RUN_AGNfitter_multiprocessing(args.ncpu, data_ALL, Modelsdict)
  File "./RUN_AGNfitter_multi.py", line 203, in RUN_AGNfitter_multiprocessing
  catalog_fitting = pool.map(multi_run_wrapper, itertools.izip(range(nsources), itertools.repeat(data_obj), itertools.repeat(modelsdict)))
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 253, in map
  return self.map_async(func, iterable, chunksize).get()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 572, in get
  raise self._value
  IndexError: index 18 is out of bounds for axis 0 with size 18

[dfm]

That exception means there's an error inside of your likelihood function and it's not an issue with emcee so we can't really help you with that here. It's an indexing bug in your code (the actual error message is in the middle of the traceback) so dig into that!