Message type: E = Error
Message class:  CNV10992 - Message class for CNV_10992 
Message number: 260
Message text: Mode 'Parallel selection' performed
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 CNV10992260, which states "Mode 'Parallel selection' performed," typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that the system is attempting to execute a parallel selection mode, which can lead to performance issues or conflicts if not managed properly.
Cause: Data Volume: The error may arise when the volume of data being processed is too large for the system to handle in a single operation, prompting the system to switch to parallel processing.
Configuration Issues: Incorrect configuration settings in the migration tool or the underlying database can lead to this error. Resource Limitations: Insufficient system resources (CPU, memory) can trigger this error, especially if multiple processes are trying to run simultaneously. Locking Conflicts: If multiple processes are trying to access the same data simultaneously, it can lead to locking issues, causing the error to appear.
Solution: Adjust Parallel Processing Settings:
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV10992250 Minimum package size must be lower or equal to parallel threshold
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV10992247 'Find unknown text objects' was not completed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV10992261 Mode 'Single program' performed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV10992262 No relevant TDOBJECT found; &1 excluded from conversion
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.