KeyError

[kotasairohith]

Hello, I am using the Realign of the Circle Map and I am facing the KeyError issue. Can you please help me out on this. Is there any thing I need to change, please let me know. Thanks!!

This is the detailed error

2025-09-02 11:28:00: Writting final output to disk
Traceback (most recent call last):
File "/project/Circle_Map_Test/.venv-circlemap/bin/Circle-Map", line 33, in
sys.exit(load_entry_point('Circle-Map==1.1.5', 'console_scripts', 'Circle-Map')())
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/circlemap/circle_map.py", line 1165, in main
run = circle_map()
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/circlemap/circle_map.py", line 187, in init
output = merge_final_output(self.args.sbam, self.args.output, begin, self.args.split,
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/circlemap/utils.py", line 1266, in merge_final_output
second_merging_round = unparsed_pd.sort_values(['chrom', 'start', 'end']).reset_index()
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/pandas/core/frame.py", line 7179, in sort_values
keys = [self._get_label_or_level_values(x, axis=axis) for x in by]
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/pandas/core/frame.py", line 7179, in
keys = [self._get_label_or_level_values(x, axis=axis) for x in by]
File "/project/Circle_Map_Test/.venv-circlemap/lib64/python3.9/site-packages/pandas/core/generic.py", line 1911, in _get_label_or_level_values
raise KeyError(key)
KeyError: 'chrom'

I am using the following versions
Package Version

---

biopython 1.77
Circle-Map 1.1.5
edlib 1.3.9.post1
llvmlite 0.43.0
numba 0.60.0
numpy 2.0.2
pandas 2.3.2
pip 21.3.1
pybedtools 0.12.0
pysam 0.23.3
python-dateutil 2.9.0.post0
pytz 2025.2
scipy 1.13.1
setuptools 53.0.0
six 1.17.0
tqdm 4.67.1
tzdata 2025.2