Message type: E = Error
Message class:  FDT_WD_INFRA - FDT: Message Class for WD Infrastructure 
Message number: 122
Message text: Managed System &1 deleted succesfully
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The SAP error message FDT_WD_INFRA122 indicates that a managed system has been successfully deleted from the system landscape. This message is not necessarily an error but rather an informational message indicating that the deletion process was completed successfully.
Cause: The message is triggered when a managed system (like an SAP application server or a database) is removed from the SAP landscape management database (LMDB) or from the system configuration in the SAP Solution Manager. This could happen due to various reasons, such as system decommissioning, migration to a new system, or changes in the landscape.
Solution: Since this message indicates a successful deletion, there is typically no action required unless the deletion was unintentional. If the deletion was not intended, you may need to: Re-add the Managed System: If the deletion was a mistake, you can reconfigure the managed system in the SAP Solution Manager or LMDB. Use the Landscape Management Database (LMDB) to add the system
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