How To Fix RSTRAN564 - Rule (target field: &2 group: &3): Source and target field length

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 564

• Message text: Rule (target field: &2 group: &3): Source and target field length

What causes this issue?

The length of the target field is longer than the length of the source
field. The hierarchy split is not possible.

System Response

Error message will be displayed.

How to fix this error?

Check the length of the target field and correct it or use a different
target field.

Procedure for System Administrators

Internal rule ID &V1&

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN564 - Rule (target field: &2 group: &3): Source and target field length ?

  The SAP error message RSTRAN564 indicates a mismatch in the length of the source and target fields during a data transfer process, typically in the context of data extraction or transformation in SAP BW (Business Warehouse) or SAP BI (Business Intelligence). This error occurs when the length of the data being transferred from the source field does not match the length of the target field defined in the data model.
  Cause:
  
  Field Length Mismatch: The source field has a different length than the target field. For example, if the source field is defined as a CHAR(10) and the target field is defined as CHAR(5), this will trigger the error.
  Data Type Differences: The data types of the source and target fields may not be compatible, leading to issues during data transfer.
  Transformation Rules: The transformation rules defined in the data flow may not correctly handle the data types or lengths of the fields.
  
  Solution:
  
  Check Field Definitions: Review the definitions of both the source and target fields in the data model. Ensure that the lengths and data types match.
  Adjust Transformation Rules: If necessary, modify the transformation rules to ensure that the data being transferred is correctly formatted and fits within the target field's constraints.
  Data Type Conversion: If the data types are different, consider using conversion functions in the transformation to ensure compatibility.
  Data Cleansing: If the source data contains values that exceed the target field length, you may need to cleanse the data before the transfer. This could involve truncating strings or handling exceptions.
  Testing: After making changes, test the data transfer process to ensure that the error is resolved and that data integrity is maintained.
  
  Related Information:
  
  SAP BW/BI Documentation: Refer to the official SAP documentation for detailed information on data modeling, transformations, and error handling.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access and modify data models and transformations.
  Error Logs: Check the error logs in the SAP system for additional context or related errors that may provide further insight into the issue.
  SAP Community: Engage with the SAP Community forums for discussions and solutions related to similar issues encountered by other users.
  
  By addressing the field length and type mismatches, you should be able to resolve the RSTRAN564 error and ensure successful data transfers in your SAP environment.