How To Fix RSTRAN509 - Rule (target field: &2): Value of constants is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 509

• Message text: Rule (target field: &2): Value of constants is not valid

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Procedure for System Administrators

Internal rule ID &V1&

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN509 - Rule (target field: &2): Value of constants is not valid ?

  The SAP error message RSTRAN509 indicates that there is an issue with a rule in a transformation where the value of a constant for a target field is not valid. This typically occurs in the context of data transformation processes, such as when using SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  The error can be caused by several factors, including:
  
  Invalid Constant Value: The constant value defined in the transformation rule does not match the expected format or data type for the target field.
  Data Type Mismatch: The constant value may not be compatible with the data type of the target field (e.g., trying to assign a string to a numeric field).
  Incorrect Mapping: The mapping of fields in the transformation might be incorrect, leading to the assignment of an invalid value.
  Missing Values: If the constant is expected to have a value but is left blank or null, it can trigger this error.
  
  Solution:
  To resolve the RSTRAN509 error, you can follow these steps:
  
  
  Check the Transformation Rule:
  
  Go to the transformation in the SAP BW or HANA modeling environment.
  Review the rule for the target field indicated in the error message (represented by &2).
  
  
  
  Validate Constant Values:
  
  Ensure that the constant value defined in the transformation rule is valid and matches the expected data type of the target field.
  If the target field is numeric, ensure that the constant is a valid number. If it is a string, ensure it is enclosed in quotes.
  
  
  
  Data Type Compatibility:
  
  Verify that the data type of the constant matches the data type of the target field. If there is a mismatch, adjust the constant value accordingly.
  
  
  
  Test the Transformation:
  
  After making changes, test the transformation to ensure that the error no longer occurs.
  
  
  
  Check for Documentation:
  
  If you are unsure about the expected values for the target field, refer to the data model documentation or field definitions in the InfoObject.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant notes or updates that might address this specific error.
  
  
  
  Related Information:
  
  SAP BW Transformation: Understanding how transformations work in SAP BW can help in troubleshooting issues related to data mapping and rules.
  Data Types in SAP: Familiarize yourself with the different data types used in SAP BW and how they affect data transformations.
  Debugging Transformations: Use the debugging tools available in SAP BW to step through the transformation process and identify where the error occurs.
  
  By following these steps, you should be able to identify and resolve the cause of the RSTRAN509 error in your SAP environment.