The admin is not able to delete a coverage configuration when it has related coverages, throwing an error like:
AssertionError: Dependency rule on column 'coverageconfiguration.id' tried to blank-out primary key column 'relatedcoverageconfiguration.main_coverage_configuration_id' on instance '<RelatedCoverageConfiguration at 0x7dc2a3e4fab0>'
The admin is not able to delete a coverage configuration when it has related coverages, throwing an error like: