Error running example

When I try to run the example IFS I get an error:

(pyPIPE3D_env) mguolop1@Muryels-MacBook-Pro IFS_analysis % ana_single.py NGC2916 ana_single_example.ini

ana_single.py: log: directory already exists

Traceback (most recent call last):

File "/Users/mguolop1/opt/anaconda3/envs/pyPIPE3D_env/bin/ana_single.py", line 1360, in main(ReadArgumentsLocal())

File "/Users/mguolop1/opt/anaconda3/envs/pyPIPE3D_env/bin/ana_single.py", line 1346, in main dir_out = ana_single(name, config, force_z=force_z, x0=x0, y0=y0)

File "/Users/mguolop1/opt/anaconda3/envs/pyPIPE3D_env/bin/ana_single.py", line 222, in ana_single array_to_fits(V_slice_filename, slices[V_img_slice_key], overwrite=True)

KeyError: 'img_NGC2916_V_4500_5500'

(pyPIPE3D_env) mguolop1@Muryels-MacBook-Pro IFS_analysis %