Message type: E = Error
Message class:  CNV_DMC_SIN_MIG_INFO - Messages for migration cockpit 
Message number: 015
Message text: Custom field &1 added to structure &2; mapped to field &3 of structure &4
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The SAP error message CNV_DMC_SIN_MIG_INFO015 typically relates to data migration processes, particularly when using the SAP Data Migration Cockpit (DMC) or similar tools. This message indicates that a custom field has been added to a structure and is mapped to another field in a different structure. Here’s a breakdown of the components of the message and potential solutions: Cause Custom Field Addition: The error message indicates that a custom field (&1) has been added to a structure (&2). This is often part of a data migration or transformation process where custom fields are necessary to accommodate specific business requirements. Mapping Issues: The message also indicates that this custom field is mapped to another field (&3) in a different structure (&4). If there are issues with this mapping, such as data type mismatches or missing configurations, it can lead to errors during the migration process. Solution Check Custom Field Configuration: Ensure that the custom field (&1)
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