Message type: E = Error
Message class:  CNV40107 - Package 40107 - Logical System 
Message number: 025
Message text: Check for completeness
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 CNV40107025, which states "Check for completeness," typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of a conversion program. This error indicates that there are missing or incomplete data entries that need to be addressed before the process can continue successfully.
Cause: Incomplete Data: The most common cause is that certain required fields or data entries are missing in the source data that is being migrated or converted. Data Validation Issues: The data may not meet the validation rules set in the target system, leading to incomplete records.
Configuration Issues: There may be configuration settings in the migration tool or the target system that are not aligned with the data being processed. Mapping Errors: If there are issues with the mapping of fields from the source to the target system, it can lead to incomplete data being processed.
Solution: Check Source Data: Review
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV40107024 Check for Merge of Logical System
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107023 Check for Split/duplicate of Old Logical System
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107026 Summary of all the checks
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV40107027 No issue found
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.