Leapp upgrade fails with "Cannot obtain data about the DNF configuration" while in reboot phase

Issue

• After rebooting the system on the Upgrade entry to effectively upgrade the system, the upgrade happens then fails with the following error message printed on the console

  [ERROR] Actor: dnf_upgrade_transaction
  Message: Cannot obtain data about the DNF configuration
  Summary:
      Stderr: Traceback (most recent call last):
                File "/usr/lib64/python3.6/site-packages/libdnf/error.py", line 14, in swig_import_helper
                  return importlib.import_module(mname)
                File "/usr/lib64/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 658, in _load_unlocked
                File "<frozen importlib._bootstrap>", line 571, in module_from_spec
                File "<frozen importlib._bootstrap_external>", line 922, in create_module
                File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
              ImportError: libbrotlidec.so.1: cannot open shared object file: No such file or directory
  
              During handling of the above exception, another exception occurred:
  
              Traceback (most recent call last):
                File "/usr/bin/dnf", line 57, in <module>
                  from dnf.cli import main
                File "/usr/lib/python3.6/site-packages/dnf/__init__.py", line 30, in <module>
                  import dnf.base
                File "/usr/lib/python3.6/site-packages/dnf/base.py", line 29, in <module>
                  import libdnf.transaction
                File "/usr/lib64/python3.6/site-packages/libdnf/__init__.py", line 8, in <module>
                  from . import error
                File "/usr/lib64/python3.6/site-packages/libdnf/error.py", line 17, in <module>
                  _error = swig_import_helper()
                File "/usr/lib64/python3.6/site-packages/libdnf/error.py", line 16, in swig_import_helper
                  return importlib.import_module('_error')
                File "/usr/lib64/python3.6/importlib/__init__.py", line 126, in import_module
                  return _bootstrap._gcd_import(name[level:], package, level)
              ModuleNotFoundError: No module named '_error'