Message type: E = Error
Message class:  CNV_DMC_SIN_AM - Messages for Business Address Services 
Message number: 653
Message text: &4:Postal code &1 must have the length &2
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The SAP error message CNV_DMC_SIN_AM653 indicates that there is an issue with the postal code format during a data migration or conversion process. Specifically, the error message states that the postal code provided does not meet the required length criteria.
Cause: The error occurs when the postal code provided in the data does not match the expected length defined in the system. This can happen due to: Incorrect data entry where the postal code is either too short or too long. Data being imported from an external source that does not conform to the expected format. Misconfiguration in the data mapping or transformation rules during the migration process.
Solution: To resolve this error, you can take the following steps: Check the Postal Code Format: Verify the postal code against the expected format in the target system. Ensure that it meets the required length and any other formatting rules (e.g., numeric vs. alphanumeric). Data Cleansing: If the data is being
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