Message type: E = Error
Message class:  FINS_FI_MIG - SAP S/4HANA Finance: Data Migration 
Message number: 628
Message text: &1 unfinished mass data run packages deleted for activity &2
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 FINS_FI_MIG628 indicates that there are unfinished mass data run packages that have been deleted for a specific activity. This error typically occurs during the migration of financial data, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
Cause: Unfinished Data Migration: The error suggests that there were mass data run packages that were not completed successfully. This could be due to various reasons such as: System interruptions or crashes during the migration process. Data inconsistencies or validation errors that prevented the completion of the migration. Timeouts or performance issues that caused the process to be aborted.
Configuration Issues: There may be configuration issues in the migration settings or parameters that led to the incomplete processing of data. Data Volume: Large volumes of data being processed at once can lead to performance bottlenecks, resulting in unfinished runs.
Solution: Check Logs: Review the migration logs to identify the specific reasons for the unfinished packages. Look
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FINS_FI_MIG627 Migration activity &1 could not be started at &2 &3
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FINS_FI_MIG626 The migration is already finished
What causes this issue?  The current migration run is finished.System Response  The system issues an error message and will not allow you to continue ...
FINS_FI_MIG629 Current migration activity has issues
What causes this issue?  The current activity has already been executed and issues have been found. In this state it is not allowed to start the migra...
FINS_FI_MIG630 The current activity '&1' is already running
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.