How To Fix MA078 - Conversion error: not possible to convert from & to &

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 078

• Message text: Conversion error: not possible to convert from & to &

What causes this issue?

You have tried to convert from one currency to another.

System Response

The conversion cannot be carried out because no conversion factor
has been maintained for this combination of currencies.

How to fix this error?

Ask your systems administrator to maintain the conversion factor
in Customizing (under <LS>Global settings</>).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MA078 - Conversion error: not possible to convert from & to & ?

  The SAP error message MA078, which states "Conversion error: not possible to convert from & to &," typically occurs when there is an issue with data type conversion in the system. This error can arise in various contexts, such as during data entry, report generation, or when executing certain transactions.
  Causes:
  
  Data Type Mismatch: The most common cause is a mismatch between the expected data type and the actual data type being processed. For example, trying to convert a string to a numeric type when the string contains non-numeric characters.
  Invalid Data Format: The data being processed may not conform to the expected format. For instance, a date might be in an incorrect format that cannot be converted to the required format.
  Null or Empty Values: Attempting to convert null or empty values can also lead to this error.
  Custom Code Issues: If there are custom programs or enhancements, they might not handle data conversions properly, leading to this error.
  Configuration Issues: Incorrect configuration settings in the system can also lead to conversion errors.
  
  Solutions:
  
  Check Data Types: Review the data types of the fields involved in the conversion. Ensure that the data being processed matches the expected types.
  Validate Input Data: Ensure that the input data is in the correct format and does not contain invalid characters. For example, if a numeric field is expected, ensure that the input does not contain letters or special characters.
  Handle Null Values: Implement checks in your code or data processing logic to handle null or empty values appropriately before attempting conversions.
  Debug Custom Code: If the error occurs in a custom program, debug the code to identify where the conversion is failing and correct the logic.
  Review Configuration: Check the configuration settings related to the data being processed. Ensure that they are set up correctly to avoid conversion issues.
  Consult SAP Notes: Look for relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you might want to check transaction codes like SE80 (Object Navigator) for custom code or SE37 (Function Module) for standard function modules.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  SAP Documentation: Refer to the official SAP documentation for more details on data types and conversion functions.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or ABAP team for further investigation.