Message type: E = Error
Message class:  CNV_OM_PRESEL - Messages for LT Object Based Preselection 
Message number: 213
Message text: Job log (job &2 &3) for preselection &1 could not be read &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_OM_PRESEL213 typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that the job log for a specific preselection could not be read, which can hinder the migration process.
Cause: Job Log Not Found: The job log for the specified job might not exist or has been deleted. Authorization Issues: The user executing the job may not have the necessary authorizations to access the job log. Technical Issues: There could be technical issues with the SAP system, such as database inconsistencies or problems with the job scheduling. Incorrect Preselection ID: The preselection ID provided might be incorrect or not properly configured.
Solution: Check Job Log: Verify if the job log for the specified job exists. You can do this by navigating to transaction SM37 (Job Monitoring) and checking the status of the job. Review Authorizations: Ensure that the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_OM_PRESEL212 Job &1 number &2 startet on &3 at &4
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OM_PRESEL211 No job log available for preselection task &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_OM_PRESEL214 No Job for task &1 available
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_OM_PRESEL215 No job was started yet
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.