How To Fix RSTRAN_DB018 - Time transformation with 2 or more target fields is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN_DB - message for RSTRAN_DB

• Message number: 018

• Message text: Time transformation with 2 or more target fields is not supported

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN_DB018 - Time transformation with 2 or more target fields is not supported ?

  The SAP error message RSTRAN_DB018 indicates that there is an issue with a time transformation in your data extraction or transformation process. Specifically, it occurs when you attempt to perform a time transformation that involves two or more target fields, which is not supported by the system.
  Cause:
  The primary cause of this error is that the transformation logic you are trying to implement is attempting to map multiple target fields from a single source field in a way that is not allowed. In SAP BW (Business Warehouse), time transformations typically require a one-to-one mapping between source and target fields. When you try to map a single source field to multiple target fields, the system raises this error.
  Solution:
  To resolve the RSTRAN_DB018 error, you can take the following steps:
  
  
  Review the Transformation Logic:
  
  Check the transformation rules defined in the DataSource or InfoObject. Ensure that each source field is mapped to a single target field.
  If you need to derive multiple target fields from a single source field, consider creating separate transformations for each target field.
  
  
  
  Modify the Transformation:
  
  If you are using a time-based field, ensure that the transformation is set up correctly to handle the time data. You may need to adjust the logic to ensure that it adheres to the one-to-one mapping requirement.
  
  
  
  Use Calculated Fields:
  
  If you need to derive multiple values from a single source, consider using calculated fields or additional logic in your transformation to create the necessary target fields without violating the one-to-one mapping rule.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as there may be improvements or bug fixes related to transformation handling.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on handling time transformations and mapping in your version of SAP BW.
  
  
  
  Testing:
  
  After making changes, test the transformation to ensure that it works as expected and that the error no longer occurs.
  
  
  
  Related Information:
  
  SAP BW/4HANA: If you are using SAP BW/4HANA, be aware that there may be differences in how transformations are handled compared to earlier versions of SAP BW.
  DataSource and InfoObject: Understanding the structure of your DataSource and InfoObject is crucial for setting up transformations correctly.
  SAP Community: Consider reaching out to the SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the RSTRAN_DB018 error and successfully implement your time transformation in SAP.