How To Fix SMT048 - Data loss on copying of &1 to &2: Source &3, target &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SMT -

• Message number: 048

• Message text: Data loss on copying of &1 to &2: Source &3, target &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SMT048 - Data loss on copying of &1 to &2: Source &3, target &4 ?

  The SAP error message SMT048 indicates that there is a data loss issue when copying data from one object to another. This typically occurs in the context of data migration or data transfer processes, such as when using the SAP Landscape Transformation (SLT) or SAP Data Services.
  Cause:
  The error message SMT048 can be triggered by several factors, including:
  
  Data Type Mismatch: The source and target fields may have different data types or lengths, leading to potential data loss during the copy process.
  Incompatible Structures: The structure of the source and target objects may not be compatible, causing issues when trying to map fields.
  Null Values: If the source data contains null values that are not allowed in the target structure, this can lead to data loss.
  Transformation Rules: If there are transformation rules applied that do not handle certain data correctly, this can also result in data loss.
  Configuration Issues: Incorrect configuration settings in the data transfer process can lead to this error.
  
  Solution:
  To resolve the SMT048 error, you can take the following steps:
  
  Check Data Types: Ensure that the data types and lengths of the source and target fields match. If they do not, you may need to adjust the target structure to accommodate the source data.
  Review Mapping: Verify the mapping between the source and target fields. Ensure that all fields are correctly mapped and that there are no missing or incorrectly configured fields.
  Handle Null Values: If null values are causing the issue, consider implementing logic to handle these values appropriately, either by providing default values or by modifying the target structure to allow nulls.
  Examine Transformation Rules: Review any transformation rules that are applied during the data transfer process. Ensure that they are correctly defined and do not lead to data loss.
  Check Configuration: Review the configuration settings for the data transfer process to ensure that they are set up correctly and that there are no discrepancies.
  Test with Sample Data: If possible, test the data transfer with a smaller set of sample data to identify specific records that may be causing the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SMT048 for any specific patches or updates that may address this issue.
  Documentation: Review the SAP documentation for the specific data transfer tool you are using (e.g., SLT, Data Services) for best practices and troubleshooting tips.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the SMT048 error and implement a solution to resolve it.