How To Fix VMP_MSG191 - Non-visual node already consumed

SAP Error Message - Details

• Message type: E = Error

• Message class: VMP_MSG - VMP Message Manager

• Message number: 191

• Message text: Non-visual node already consumed

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 VMP_MSG191 - Non-visual node already consumed ?

  The SAP error message VMP_MSG191: Non-visual node already consumed typically occurs in the context of SAP's Visual Composer or similar environments where visual nodes are used to represent data and processes. This error indicates that a non-visual node (such as a data source or a service) has already been processed or consumed in a way that prevents it from being reused in the current context.
  Cause:
  
  Node Reuse: The error often arises when a non-visual node is used multiple times in a way that is not allowed. For example, if a data source is already linked to a visual component, trying to link it again to another component can trigger this error.
  Data Flow Issues: If the data flow is not properly configured, it can lead to attempts to access a node that has already been consumed.
  Configuration Errors: Incorrect configuration of the visual model or the nodes can lead to this issue.
  
  Solution:
  
  Check Node Usage: Review the visual model to ensure that non-visual nodes are not being reused inappropriately. Each non-visual node should only be linked to one visual component at a time.
  Create New Instances: If you need to use the same data or service in multiple places, consider creating a new instance of the non-visual node instead of reusing the existing one.
  Review Data Flow: Ensure that the data flow is correctly set up and that nodes are not being consumed prematurely. Check the sequence of operations and how data is being passed between nodes.
  Debugging: Use debugging tools available in the SAP environment to trace the execution and identify where the node is being consumed.
  Documentation and Support: Refer to SAP documentation for Visual Composer or the specific tool you are using for more detailed guidance. If the issue persists, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  SAP Visual Composer: This is a tool used for creating web applications in SAP environments. Understanding how nodes work within this tool is crucial for troubleshooting.
  Node Types: Familiarize yourself with the different types of nodes (visual and non-visual) and their intended use cases.
  Best Practices: Follow best practices for designing visual models, including proper node management and data flow configuration.
  
  By addressing the above points, you should be able to resolve the VMP_MSG191 error and ensure that your visual model functions as intended.