Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 216
Message text: Unable to read current application log
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_NCE_BAS216: Unable to read current application log typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to access or read the application log that is necessary for the migration process. Causes: Log File Issues: The application log may not exist, or it may have been deleted or corrupted. Authorization Issues: The user executing the migration may not have the necessary authorizations to read the application log. System Configuration: There may be configuration issues in the system that prevent access to the application log. Database Issues: Problems with the underlying database, such as connectivity issues or corruption, can also lead to this error. Transport Issues: If the migration tool or related components were transported incorrectly, it could lead to inconsistencies. Solutions: Check Application Log: Use transaction code SLG1 to check if the application log exists
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_NCE_BAS215 Object &2: job &1 is still running
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_NCE_BAS214 Number range intervals have been copied and adjusted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_NCE_BAS217 Job is aborted
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_NCE_BAS218 Failed to create an object status job in the control system
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.