Message type: E = Error
Message class:  CNV_20000 - Messages for fiscal year change 
Message number: 009
Message text: &
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_20000009 typically relates to issues encountered during data migration or conversion processes, particularly when using SAP's data migration tools. This error can arise in various contexts, such as during the execution of a migration project or when using specific conversion programs.
Cause: The error message CNV_20000009 can be caused by several factors, including: Data Inconsistencies: There may be inconsistencies or invalid data in the source system that prevent successful migration.
Configuration Issues: Incorrect configuration settings in the migration tool or the target system can lead to this error. Missing Dependencies: Required objects, such as tables or fields, may be missing in the target system. Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation. Technical Errors: There could be underlying technical issues, such as database connectivity problems or system performance issues.
Solution: To resolve the CNV_20000009 error, you can take the following steps: Check Logs: Review the detailed logs
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_20000008 &1 BSEG records with ZUONR for conversion 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_20000007 &1 BSEG records with ZUONR 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_20000010 BSEG: no conversion of ZUONR required
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_20000011 Fields for conversion of BSEG-ZUONR were activated
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.