How To Fix UGMD8103 - Field &1 cannot be converted without loss of data: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD8 - Change Management

• Message number: 103

• Message text: Field &1 cannot be converted without loss of data: &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UGMD8103 - Field &1 cannot be converted without loss of data: &2 ?

  The SAP error message UGMD8103 indicates that there is an issue with data conversion in the system. Specifically, it means that the system is trying to convert a value from one data type to another, but the conversion cannot be performed without losing some data. This typically occurs when the source data type has a larger range or precision than the target data type.
  Cause:
  
  Data Type Mismatch: The source field (indicated by &1) has a data type or length that exceeds the capacity of the target field (indicated by &2). For example, trying to convert a large numeric value into a smaller numeric type or a string with more characters than the target field can hold.
  Incompatible Formats: The formats of the data being converted may not be compatible, such as trying to convert a date format that is not recognized by the target field.
  Precision Loss: When converting floating-point numbers to integers, or when converting from a high-precision decimal to a lower-precision decimal, there is a risk of losing significant digits.
  
  Solution:
  
  Check Data Types: Review the data types of both the source and target fields. Ensure that the target field can accommodate the values being assigned to it. If necessary, change the target field to a larger data type or length.
  Adjust Data Values: If the source data can be modified, consider truncating or rounding the values to fit the target field's constraints.
  Use Conversion Functions: If applicable, use SAP conversion functions that can handle the conversion more gracefully, such as CONVERT_TO_LOCAL_CURRENCY or CONVERT_TO_STRING.
  Data Validation: Implement validation checks before performing the conversion to ensure that the data will fit into the target field without loss.
  Debugging: If the error occurs during a specific transaction or program, use debugging tools to trace the data flow and identify where the conversion is failing.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal for detailed information on data types and conversion functions.
  Data Dictionary: Check the Data Dictionary (SE11) to understand the definitions and properties of the fields involved.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to explore the relevant programs or function modules that may be causing the error.
  Community Forums: SAP Community and other forums can provide insights from other users who may have encountered similar issues.
  
  By addressing the underlying cause of the data conversion issue, you can resolve the UGMD8103 error and ensure that data is processed correctly in your SAP system.