How To Fix RSWADMDERR1255 - Referenced child node item of container item does not exist on page

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 255

• Message text: Referenced child node item of container item does not exist on page

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSWADMDERR1255 - Referenced child node item of container item does not exist on page ?

  The SAP error message RSWADMDERR1255 indicates that there is an issue with a referenced child node item in a container item that does not exist on the page. This error typically occurs in the context of SAP's Web Application Designer or when working with Web Dynpro applications.
  Cause:
  The error can be caused by several factors, including:
  
  Missing or Incorrect Configuration: The child node that is being referenced may not be properly configured or may not exist in the data model.
  Data Model Changes: If there have been recent changes to the data model, such as the removal of a node or changes in the hierarchy, it may lead to this error.
  Incorrect Binding: The binding of the UI elements to the data model may be incorrect, leading to references to non-existent nodes.
  Transport Issues: If the application was transported from one system to another, there may be inconsistencies in the data model or configuration.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Data Model: Verify that the child node exists in the data model. Ensure that the structure of the data model is as expected and that all necessary nodes are present.
  Review Bindings: Check the bindings of the UI elements in the Web Application Designer or Web Dynpro application. Ensure that they are correctly pointing to the existing nodes in the data model.
  Recreate the Node: If the child node is missing, you may need to recreate it in the data model or adjust the existing configuration to ensure it aligns with the expected structure.
  Test in Development: If you are working in a development environment, test the changes thoroughly before transporting them to production.
  Check Transport Requests: If the issue arose after a transport, review the transport requests to ensure that all necessary objects were included and that there are no inconsistencies.
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the reference to the non-existent child node is being made.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the official SAP documentation for Web Application Designer and Web Dynpro to understand the expected data model structure and binding practices.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.