Message type: E = Error
Message class: CNV_DMC_MC - Migration Object Modeler
Message number: 034
Message text: &1: Data type/length of fields do not match; note that data may be lost
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The SAP error message CNV_DMC_MC034 indicates that there is a mismatch between the data type or length of fields during a data migration or conversion process. This error typically arises in the context of using the SAP Data Migration Cockpit (DMC) or during data transfer processes where the source and target systems have different data structures.
Cause: Data Type Mismatch: The source field may have a different data type compared to the target field. For example, a source field might be defined as a string (CHAR) while the target field is defined as a numeric type (INT). Length Mismatch: The length of the data in the source field may exceed the length defined for the target field. For instance, if the source field has a length of 50 characters and the target field is defined to accept only 30 characters, this will lead to data truncation. Inconsistent Data Structures: The data model in the
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