Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 399
Message text: No entries found which match selection criteria
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_10020399: No entries found which match selection criteria typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of specific reports or transactions that involve data selection.
Cause: Selection Criteria: The most common cause of this error is that the selection criteria specified in the transaction or report do not match any existing entries in the database. This could be due to: Incorrect or overly restrictive filters (e.g., date ranges, status codes). Data not being present in the target system or the specified table. Typographical errors in the selection fields. Data Migration Issues: If this error occurs during a data migration process, it may indicate that the data expected to be migrated has not been loaded correctly or is missing.
Configuration Issues: Sometimes, the configuration settings for the migration or conversion process may not be set up correctly, leading to no data being found.
Solution: Review
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_10020398 No entries for processing found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10020397 &1 existing logs were deleted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_10020400 Global delimitation of object types is not possible
What causes this issue?  The system found that determination by object number (source field &V1& -&V2&) is planned for table &V1&a...
CNV_10020401 Global delimitation of object types is not possible
What causes this issue?  The system found that determination by object number (source field &V1& -&V3&) is planned for table field &am...
Click on this link to search all SAP messages.