How To Fix FDT_EXPRESSIONS343 - Start node ID &1 of connector &2 is not a valid UUID

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 343

• Message text: Start node ID &1 of connector &2 is not a valid UUID

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS343 - Start node ID &1 of connector &2 is not a valid UUID ?

  The SAP error message FDT_EXPRESSIONS343 indicates that there is an issue with a connector in your SAP system, specifically that the start node ID of the connector is not a valid UUID (Universally Unique Identifier). This error typically arises in the context of SAP Fiori or SAP UI5 applications, particularly when dealing with expressions or data binding.
  Cause:
  
  Invalid Node ID: The start node ID specified in the connector is not formatted correctly as a UUID. UUIDs are 128-bit numbers used to uniquely identify information in computer systems.
  Configuration Issues: There may be a misconfiguration in the data model or the way the connector is set up.
  Corrupted Data: The data model or the connector might be corrupted, leading to invalid references.
  Development Errors: If you are developing custom applications or extensions, there may be errors in the code that generate or reference the UUIDs.
  
  Solution:
  
  Check Node ID: Verify that the start node ID specified in the connector is a valid UUID. A valid UUID should be in the format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, where x is a hexadecimal digit.
  Review Configuration: Go through the configuration of the connector and ensure that all references to node IDs are correct and valid.
  Recreate Connector: If the connector is corrupted, consider recreating it from scratch to ensure that all IDs are generated correctly.
  Debugging: If you are developing custom applications, use debugging tools to trace where the invalid UUID is being generated or referenced.
  Consult Documentation: Refer to SAP documentation or community forums for any known issues or updates related to this error message.
  
  Related Information:
  
  UUID Format: Ensure that you understand the structure of a UUID and how it is generated. You can use various programming libraries or tools to generate valid UUIDs.
  SAP Notes: Check SAP Notes for any patches or updates that might address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Testing: After making changes, thoroughly test the application to ensure that the error does not recur and that the functionality is as expected.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.