Message type: E = Error
Message class:  CNV_DMC_SIN_AM - Messages for Business Address Services 
Message number: 210
Message text: &4:In &1 there must be a number in position &2
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_AM210 typically occurs during data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This error indicates that a specific field in the data being processed is expected to contain a numeric value, but it does not.
Cause: The error message CNV_DMC_SIN_AM210 &4: In &1 there must be a number in position &2 suggests that: The system encountered a non-numeric value in a field that is expected to contain a numeric value. The error message parameters &1 and &2 usually refer to the specific field or table and the position within that field where the issue was detected.
Solution: To resolve this error, you can follow these steps: Identify the Field and Position: Check the error message parameters to identify which field (&1) and position (&2) are causing the issue. This will help you locate the problematic data. Review the Data: Look at the data being migrated or processed. Ensure that
 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_AM209 &4:& has an incorrect length
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_AM208 Template for & has length zero
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_AM211 &4:In &1 there must be a letter in position &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_DMC_SIN_AM212 &4:In &1, the character '&3' must be in position &2
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.