Message type: E = Error
Message class:  CNV_DMC_SIN_AM - Messages for Business Address Services 
Message number: 213
Message text: &4:Enter the postal code of the PO box
Error message extract from SAP system. Copyright SAP SE.
The SAP error message CNV_DMC_SIN_AM213 with the description "Enter the postal code of the PO box" typically occurs during data migration or data conversion processes, particularly when dealing with address information in the SAP system. This error indicates that the system requires a postal code to be entered for a PO box address, which is a mandatory field in certain contexts.
Cause: Missing Postal Code: The primary cause of this error is that the postal code field for a PO box address is either empty or not filled in correctly. Data Migration Issues: If you are migrating data from another system, the source data may not have included postal codes for PO boxes, leading to this error during the import process. Validation Rules: The system may have validation rules that require a postal code for PO box addresses, and if these rules are not met, the error will be triggered.
Solution: Enter Postal Code: Ensure that
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