How To Fix GU412 - Type & of the source field and & of the target field do not correspond

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 412

• Message text: Type & of the source field and & of the target field do not correspond

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GU412 - Type & of the source field and & of the target field do not correspond ?

  The SAP error message GU412 indicates a type mismatch between the source field and the target field during a data transfer or mapping process. This error typically occurs in scenarios such as data migration, interface processing, or when using certain SAP transactions that involve data transformation.
  Cause:
  The error occurs when the data types of the source and target fields do not match. This can happen due to several reasons:
  
  Data Type Mismatch: The source field may be of a different data type (e.g., character, numeric, date) than the target field.
  Field Length Differences: The length of the data in the source field may exceed the maximum length allowed in the target field.
  Incompatible Structures: If you are working with structures or tables, the fields may not be compatible due to different definitions in the data dictionary.
  Configuration Issues: Incorrect configuration in the data transfer settings or mapping definitions can lead to this error.
  
  Solution:
  To resolve the GU412 error, you can take the following steps:
  
  
  Check Data Types: Verify the data types of both the source and target fields. Ensure they are compatible. For example, if the source is a character field, the target should also be a character field.
  
  
  Field Length Validation: Ensure that the length of the data in the source field does not exceed the length defined for the target field. If necessary, truncate or pad the data accordingly.
  
  
  Review Mapping Configuration: If you are using a mapping tool or interface, review the mapping configuration to ensure that the fields are correctly mapped and that the data types align.
  
  
  Data Transformation: If the data types are inherently different (e.g., converting a string to a date), implement the necessary data transformation logic to convert the data into the appropriate format before the transfer.
  
  
  Debugging: If you are working with custom programs or enhancements, use debugging tools to trace the data flow and identify where the mismatch occurs.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details about the fields involved and their expected data types.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like LSMW (Legacy System Migration Workbench), BAPIs, or IDocs, which can be relevant to this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific transaction or process you are working with.
  Data Dictionary: Use transaction SE11 to view the data dictionary definitions for the relevant tables and fields to understand their data types and lengths.
  
  By following these steps, you should be able to identify and resolve the cause of the GU412 error in SAP.