How To Fix RSWADMDERR1421 - Data provider parameters of type &2 cannot be parent of &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSWADMDERR1 - Web Application Designer 4.0 Error Messages

• Message number: 421

• Message text: Data provider parameters of type &2 cannot be parent of &1

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 RSWADMDERR1421 - Data provider parameters of type &2 cannot be parent of &1 ?

  The SAP error message RSWADMDERR1421 indicates that there is an issue with the data provider parameters in a specific context, typically related to the configuration of data sources or data providers in SAP BW (Business Warehouse) or SAP Analytics.
  Cause:
  The error message "Data provider parameters of type &2 cannot be parent of &1" suggests that there is a mismatch in the hierarchy or relationship between the data provider parameters. Specifically, it indicates that the parameter of type &2 is not allowed to be a parent of the parameter of type &1. This can occur due to:
  
  Incorrect Parameter Configuration: The parameters may have been incorrectly set up in the data provider configuration.
  Hierarchy Issues: There may be a violation of the expected hierarchy or relationship between different parameters.
  Data Type Mismatch: The types of the parameters may not be compatible, leading to this error.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Review Parameter Configuration:
  
  Go to the data provider configuration in SAP BW or the relevant application.
  Check the parameters defined for the data provider and ensure that they are correctly set up according to the expected hierarchy.
  
  
  
  Check Data Types:
  
  Verify that the data types of the parameters are compatible. Ensure that the parent parameter is of a type that can logically contain the child parameter.
  
  
  
  Adjust Hierarchy:
  
  If the parameters are part of a hierarchy, ensure that the hierarchy is correctly defined. You may need to adjust the relationships between parameters to comply with the expected structure.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on configuring data provider parameters. This can provide insights into the expected relationships and configurations.
  
  
  
  Testing:
  
  After making adjustments, test the data provider to ensure that the error is resolved and that the data is being processed correctly.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP BW or the specific application you are working with.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review the official SAP documentation for data providers and parameters to ensure compliance with best practices.
  
  By following these steps, you should be able to identify and resolve the cause of the RSWADMDERR1421 error in your SAP environment.