_mask AttributeError

[Aysegul-Sen]

Hi, I am triying to use SteParSyn but I am getting an error:

(base) aysegul@aysegul-omen:/SteParSyn-main$ /bin/bash /home/aysegul/SteParSyn-main/runall.sh
Star under analysis: HD*****
Setting initial parameters
Reading Synthetic PCA grid
Reading line ranges
Reading line masks
Reading observed spectrum
Observed spectrum was cut into spectral ranges
Traceback (most recent call last):
File "/home/aysegul/SteParSyn-main/SteParSyn.py", line 583, in
masked_wave_obs,masked_flux_obs,masked_eflux_obs,masked_velo_obs,ranked_velo_obs = mask_flux(wave_obs_rank,flux_obs_rank,eflux_obs_rank)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/aysegul/SteParSyn-main/SteParSyn.py", line 363, in mask_flux
flux_masked = np.append(flux_masked,flux[sel_mask])
~~~~^^^^^^^^^^
File "astropy/table/_column_mixins.pyx", line 94, in astropy.table._column_mixins._MaskedColumnGetitemShim.getitem
File "astropy/table/_column_mixins.pyx", line 64, in astropy.table._column_mixins.base_getitem
File "astropy/table/_column_mixins.pyx", line 88, in astropy.table._column_mixins.masked_column_getitem
File "/home/aysegul/anaconda3/lib/python3.11/site-packages/numpy/ma/core.py", line 3229, in getitem
_mask = self._mask
^^^^^^^^^^
AttributeError: 'MaskedColumn' object has no attribute '_mask'. Did you mean: 'mask'?
(base) aysegul@aysegul-omen:/SteParSyn-main$

What might be the problem? Thanks in advance.