Message type: E = Error
Message class:  CNV_MBT_XAPP_A - Message classes for all Cross-Application functions 
Message number: 062
Message text: Sender system logical name &1 is retained
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message CNV_MBT_XAPP_A062 indicates that the sender system's logical name is retained in the context of a data migration or system conversion process. This message typically arises during the execution of the SAP S/4HANA Migration Cockpit or during data transfer processes in SAP systems.
Cause: The error message usually occurs due to one of the following reasons:
Configuration Issues: The sender system's logical name may not be correctly configured in the target system. Data Migration Settings: There may be inconsistencies in the data migration settings or parameters that are causing the logical name to be retained. Incomplete Migration Process: The migration process may not have been completed successfully, leading to the retention of the sender system's logical name. Technical Issues: There could be underlying technical issues, such as missing authorizations or incorrect system settings.
Solution: To resolve the error message CNV_MBT_XAPP_A062, you can follow these steps: Check Configuration: Verify that the sender system's logical name is correctly configured
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_MBT_XAPP_A061 Sender and receiver logical systems & are identical
What causes this issue?  Sender and Receiver Logical Systems are identical.System Response  This might lead to inconsistencies.How to fix this error? ...
CNV_MBT_XAPP_A060 F4 help not available
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_XAPP_A063 Default values are saved for unassigned new logical system name
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_MBT_XAPP_A064 Process tree change for activity already completed in previous run
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.