How To Fix FDT_EXPRESSIONS402 - Node &1 is not an activity (actual node type: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 402

• Message text: Node &1 is not an activity (actual node type: &2)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS402 - Node &1 is not an activity (actual node type: &2) ?

  The SAP error message FDT_EXPRESSIONS402 indicates that there is an issue with the node type in a decision table or expression in the SAP Fiori Decision Table framework. Specifically, the error message states that the node you are trying to reference (Node &1) is not recognized as an activity, and it provides the actual node type (Node type: &2).
  Cause:
  
  Incorrect Node Type: The node you are trying to use in your decision table or expression is not of the expected type. For example, it might be a condition or a different type of node rather than an activity node.
  Configuration Issues: There may be a misconfiguration in the decision table or the expression logic that leads to this error.
  Data Model Changes: If there have been changes to the underlying data model or the structure of the decision table, it could lead to inconsistencies that trigger this error.
  Version Compatibility: If you are using an older version of the software or components that are not compatible with the current configuration, it may lead to this error.
  
  Solution:
  
  Check Node Type: Verify that the node you are referencing is indeed an activity node. You can do this by reviewing the configuration of the decision table or expression.
  Review Configuration: Go through the configuration settings of the decision table or expression to ensure that all nodes are correctly defined and that the logic is set up properly.
  Update Data Model: If there have been changes to the data model, ensure that the decision table or expression is updated accordingly to reflect those changes.
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to ensure that you are following the correct procedures and guidelines.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered and gather more context about the issue.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance. They may have additional insights or patches available.
  
  Related Information:
  
  SAP Fiori Decision Table: This is a tool used in SAP to define business rules and logic in a tabular format, allowing for easier management and updates.
  Node Types: Familiarize yourself with the different node types available in the decision table framework, such as activity nodes, condition nodes, and action nodes.
  SAP Notes and Knowledge Base: Check for any relevant SAP Notes or articles in the SAP Knowledge Base that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.