Message type: E = Error
Message class:  CNV_10520 - Conversion module of FI-CA FIKEY-logic 
Message number: 016
Message text: New mapping created with &1 records from package &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 CNV_10520016 typically relates to the data migration process, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools. This message indicates that a new mapping has been created with a specific number of records from a given package.
Cause: The error message is not necessarily an error but rather an informational message indicating that during the data migration process, a new mapping was created. This can occur due to: Data Structure Changes: Changes in the source data structure that require a new mapping to be defined. Data Quality Issues: Issues in the source data that necessitate a new mapping to ensure data integrity. Configuration Changes: Changes in the configuration of the migration tool or the mapping settings.
Solution: To address this message, consider the following steps: Review the Mapping: Check the newly created mapping to ensure it aligns with your expectations and requirements.
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10520015 Mapping values deleted; &1 records deleted from package &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10520014 No records deleted from table &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10520017 No relevant values found for FI-CA; no new mapping created for package &1
What causes this issue?  It should be possible for the system to automatically create mapping entries at this point during the conversion. However thi...
CNV_10520018 &1 different values found for FIKEY in table DFKKSUM
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.