Message type: E = Error
Message class:  CNV_DMC_SIN_MIG_INFO - Messages for migration cockpit 
Message number: 010
Message text: No. data transfer jobs is greater than the number of available jobs (&1)
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_DMC_SIN_MIG_INFO010 indicates that the number of data transfer jobs you are trying to execute exceeds the number of available jobs that can be processed at the same time. This typically occurs during data migration processes, especially when using the SAP Data Migration Cockpit or similar tools.
Cause: Job Limit Exceeded: The system has a predefined limit on the number of concurrent jobs that can be executed. If you attempt to start more jobs than this limit, you will encounter this error. System Configuration: The configuration settings for job processing in your SAP system may restrict the number of concurrent jobs. Resource Constraints: The system may be under heavy load, or there may be other jobs running that are consuming the available job slots.
Solution: Check Job Configuration: Review the configuration settings for job processing in your SAP system. You may need to adjust the maximum number of concurrent jobs allowed. You can check
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_DMC_SIN_MIG_INFO009 Do not specify more than &1 jobs to transfer data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_DMC_SIN_MIG_INFO008 Specify at least one job to transfer data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_DMC_SIN_MIG_INFO011 Not all jobs will be used (only one job is used to transfer each file)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_DMC_SIN_MIG_INFO012 Invalid project GUID
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.