"leapp.workflow.FactsCollection: Actor pes_events_scanner has crashed" Error on leapp preupgrade report

Issue

Performing RHEL 7 to RHEL 8 leapp preupgrade results in following error:

ERROR PID: 82827 leapp.workflow.FactsCollection: Actor pes_events_scanner has crashed: Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/leapp/repository/actor_definition.py", line 74, in _do_run
    actor_instance.run(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/leapp/actors/{}init{}.py", line 289, in run
    self.process(*args)
  File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/actor.py", line 41, in process
    process()
  File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/libraries/pes_events_scanner.py", line 505, in process
    source_pkgs = apply_transaction_configuration(source_pkgs)
  File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/libraries/pes_events_scanner.py", line 475, in apply_transaction_configuration
    source_pkgs_with_conf_applied.remove(pkg_name_to_pkg_info_map[pkg.name])
KeyError: tomcat-lib:rhel-7-server-rpms

Or

ERROR PID: 95464 leapp.workflow.FactsCollection: Actor pes_events_scanner has crashed: Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/leapp/repository/actor_definition.py", line 74, in _do_runactor_instance.run(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/leapp/actors/{}init{}.py", line 289, in run
self.process(*args)
File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/actor.py", line 41, in processprocess()
File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/libraries/pes_events_scanner.py", line 505, in processsource_pkgs = apply_transaction_configuration(source_pkgs)
File "/usr/share/leapp-repository/repositories/system_upgrade/common/actors/peseventsscanner/libraries/pes_events_scanner.py", line 475, in apply_transaction_configurationsource_pkgs_with_conf_applied.remove(pkg_name_to_pkg_info_map[pkg.name])
KeyError: tomcat:rhel-7-server-rpms