Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 078
Message text: Group ID update not required; no relevant worklist item found
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_PE078: Group ID update not required; no relevant worklist item found typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is attempting to update a Group ID, but it cannot find any relevant worklist items associated with that Group ID. Causes: No Worklist Items: The most common cause is that there are no worklist items available for the specified Group ID. This can happen if the data migration process has not been properly set up or if the relevant data has not been loaded into the worklist. Incorrect Group ID: The Group ID being referenced may not exist or may have been incorrectly specified in the migration settings. Data Migration Process Issues: There may be issues in the data migration process itself, such as incomplete data preparation or errors in the mapping of data. Configuration
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE077 Group ID update for &1 transfer methods
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE076 Area &1 excluded
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE079 &1 group ID is not changed, as worklist item &2 is excluded
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE080 Currency type &1 not defined in company code &2 for system &3
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.