Not able to install anything becouse of libarchive "ModuleNotFoundError". #11104

Traceback (most recent call last):
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1043, in __call__
    return func(*args, **kwargs)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/cli/main.py", line 84, in _main
    exit_code = do_call(args, p)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/cli/conda_argparse.py", line 80, in do_call
    module = import_module(relative_mod, __name__.rsplit('.', 1)[0])
  File "/home/vishal/anaconda3/lib/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 678, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/cli/main_list.py", line 14, in <module>
    from ..core.prefix_data import PrefixData
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/core/prefix_data.py", line 24, in <module>
    from ..gateways.disk.create import write_as_json_to_file
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/gateways/disk/create.py", line 17, in <module>
    import conda_package_handling.api
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda_package_handling/api.py", line 3, in <module>
    from libarchive.exception import ArchiveError as _LibarchiveArchiveError
ModuleNotFoundError: No module named 'libarchive'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
  File "/home/vishal/anaconda3/bin/conda", line 13, in <module>
    sys.exit(main())
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/cli/main.py", line 150, in main
    return conda_exception_handler(_main, *args, **kwargs)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1335, in conda_exception_handler
    return_value = exception_handler(func, *args, **kwargs)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1046, in __call__
    return self.handle_exception(exc_val, exc_tb)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1090, in handle_exception
    return self.handle_unexpected_exception(exc_val, exc_tb)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1101, in handle_unexpected_exception
    self.print_unexpected_error_report(error_report)
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/exceptions.py", line 1171, in print_unexpected_error_report
    from .cli.main_info import get_env_vars_str, get_main_info_str
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/cli/main_info.py", line 19, in <module>
    from ..core.index import _supplement_index_with_system
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/core/index.py", line 9, in <module>
    from .package_cache_data import PackageCacheData
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda/core/package_cache_data.py", line 15, in <module>
    from conda_package_handling.api import InvalidArchiveError
  File "/home/vishal/anaconda3/lib/python3.6/site-packages/conda_package_handling/api.py", line 3, in <module>
    from libarchive.exception import ArchiveError as _LibarchiveArchiveError
ModuleNotFoundError: No module named 'libarchive'
Please help me with this I don't wanna create all environment again.




    

Thanks!