Renaming a management module breaks the link from all universes having custom management module definitions that include the management module.
The result is when the renaming is performed by a user who has set current universe to a universe linked to the management module, that the management module 'disappears' - i.e. can no longer be seen in the settings > management modules panel.
DX APM SaaS only
This issue is related to defect # DE596083. To be fixed in May timeframe. For an update contact Broadcom Support.