Message type: E = Error
Message class:  CNV_OR_REP -  
Message number: 020
Message text: Started on &1 at &2 by user &3 (executed by &4)
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_OR_REP020 typically relates to issues encountered during the execution of a conversion or replication process in SAP systems, particularly in the context of data migration or system conversion projects. This message indicates that a specific operation was started, but it may have encountered issues that need to be addressed.
Cause: The error message CNV_OR_REP020 can be triggered by various factors, including but not limited to: Data Consistency Issues: There may be inconsistencies in the data being processed, which can lead to errors during conversion or replication. Configuration Problems: Incorrect configuration settings in the SAP system can cause the process to fail. Authorization Issues: The user executing the process 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 resource limitations. Process Interruption: The process may have been interrupted due to system downtime or user intervention.
Solution: To resolve the CNV_OR_REP020
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_OR_REP011 Getting job name and count from runtime information failed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OR_REP010 OBT-report &1 could not be started. Reason: &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_OR_REP021 Ended on &1 at &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_OR_REP022 Execution has been aborted
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.