How To Fix RSTRAN056 - No constant date defined for reading master data from &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 056

• Message text: No constant date defined for reading master data from &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN056 - No constant date defined for reading master data from & ?

  The SAP error message RSTRAN056 indicates that there is no constant date defined for reading master data from a specific source. This error typically occurs in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence).
  Cause:
  The error arises when the system attempts to read master data for a specific InfoObject or characteristic, but it cannot find a defined constant date. This constant date is necessary for the system to determine which version of the master data to use, especially when dealing with time-dependent master data.
  Solution:
  To resolve the RSTRAN056 error, you can follow these steps:
  
  
  Check the InfoObject Settings:
  
  Go to the InfoObject in the SAP BW system and check its settings.
  Ensure that the "Constant Date" is defined for the InfoObject. This can usually be found in the InfoObject maintenance screen under the "Attributes" or "Time Dependency" settings.
  
  
  
  Define a Constant Date:
  
  If a constant date is not defined, you will need to set one. This can typically be done in the InfoObject maintenance transaction (e.g., RSD1).
  Navigate to the "Time Dependency" tab and specify a constant date that will be used for reading the master data.
  
  
  
  Check DataSource Settings:
  
  If the error occurs during data extraction, check the DataSource settings in the source system.
  Ensure that the DataSource is correctly configured to provide the necessary master data.
  
  
  
  Review Transformation Rules:
  
  If you are using transformations to load data, review the transformation rules to ensure that they are correctly set up to handle the master data.
  
  
  
  Test the Data Load:
  
  After making the necessary changes, test the data load process again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are still facing issues, refer to SAP documentation or consult with your SAP Basis or BW team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like RSD1 (InfoObject maintenance), RSA1 (Data Warehousing Workbench), and RSTRAN (Transformation maintenance) to access the relevant settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Time-Dependent Master Data: Understanding how time-dependent master data works in SAP BW can help in troubleshooting similar issues in the future.
  
  By following these steps, you should be able to resolve the RSTRAN056 error and ensure that your master data is correctly read during data extraction or transformation processes.