KeyError: ('Y', 'C')

[ultimateabhi719]

I am getting the following key error while running the default Full mode of the program. Is there anything you could tell me about the error?

...Processing contig chr10:123730140-127408506 Length = 3678366
multiprocessing.pool.RemoteTraceback:

Traceback (most recent call last):                                                                                                                                                           
  File "/usr/lib/python3.8/multiprocessing/pool.py", line 125, in worker                                                                                                                     
    result = (True, func(*args, **kwds))                                                                                                                                                     
  File "/usr/local/lib/python3.8/dist-packages/scAllele/scAllele.py", line 68, in process_read_cluster_1                                                                                     
    SetOfVariants = gqv_utils.assign_vars_to_reads(Src_Snk_pairs, SetOfReadIndexes,                                                                                                          
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_utils.py", line 66, in assign_vars_to_reads                                                                                      
    RI_alignment, var_list = _find_best_read_path(Read_Index, REF_INDEX, all_paths,                                                                                                          
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_utils.py", line 337, in _find_best_read_path                                                                                     
    VAROBJ_ED = gqv_vartool.calculate_edit_distance(VAR, Junctions, REFPOS)                                                                                                                  
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 272, in calculate_edit_distance                                                                                
    editd, var_set = split_complex_var(var, Junctions, REFPOS)                                                                                                                               
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 309, in split_complex_var                                                                                      
    var_set, editd = edit_distance_function_internal_aln(var, Junctions, REFPOS)                                                                                                             
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 546, in edit_distance_function_internal_aln                                                                    
    EDITVAL = calculate_edit_distance(_tmp_var, Junctions, REFPOS)                                                                                                                           
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 272, in calculate_edit_distance                                                                                
    editd, var_set = split_complex_var(var, Junctions, REFPOS)                                                                                                                               
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 298, in split_complex_var                                                                                      
    var_set, editd = edit_distance_function_msnp(var)                                                                                                                                        
  File "/usr/local/lib/python3.8/dist-packages/scAllele/gqv_vartool.py", line 330, in edit_distance_function_msnp                                                                            
    editd  += abs(_base_pair_score[(var.REF[i], var.ALT[i])])                                                                                                                                
KeyError: ('Y', 'C')             

The above exception was the direct cause of the following exception:

Traceback (most recent call last):

  File "/usr/local/bin/scAllele", line 8, in <module>                                                                                                                                        
    sys.exit(main())                                                                                                                                                                         
  File "/usr/local/lib/python3.8/dist-packages/scAllele/scAllele.py", line 396, in main                                                                                                      
    for rc_output in pool.imap_unordered(process_read_cluster_1, ARGs): 
  File "/usr/lib/python3.8/multiprocessing/pool.py", line 868, in next
    raise value
KeyError: ('Y', 'C')

[giovanniquinones]

Sorry for the very late reply.
We have addressed this issue in the current release.