Message type: E = Error
Message class:  CNV20317 -  
Message number: 064
Message text: &1: Update for target &2 / &3
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 CNV20317064 typically relates to issues encountered during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a problem with the update process for a specific target object.
Cause: The error message CNV20317064 can be caused by several factors, including: Data Integrity Issues: The data being migrated may not meet the required integrity constraints for the target system. This could include missing mandatory fields, incorrect data types, or foreign key violations.
Configuration Issues: The target system may not be properly configured to accept the incoming data. This could involve missing customizing settings or incorrect mappings. Technical Errors: There may be technical issues such as database locks, connectivity problems, or issues with the migration tool itself. Version Compatibility: The source and target systems may not be compatible in terms of data structures or versions.
Solution: To resolve the CNV20317064 error, you can take
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV20317063 No update required; no data changed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20317062 Updating date-dependent entries (delta entries)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV20317065 &1: New entry for target &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...
CNV20317066 Only display mode possible. Select a context first.
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.