How To Fix LT_DHAPE_ENGINE044 - Read graph from JSON failed: failed to get in-ports &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: LT_DHAPE_ENGINE - SAP Data Hub - ABAP Pipeline Engine - Message Class for Pkg

• Message number: 044

• Message text: Read graph from JSON failed: failed to get in-ports &1 &2 &3 &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LT_DHAPE_ENGINE044 - Read graph from JSON failed: failed to get in-ports &1 &2 &3 &4 ?

  The SAP error message LT_DHAPE_ENGINE044 indicates that there was a failure in reading a graph from JSON, specifically related to the in-ports of a data flow or transformation process. This error typically occurs in the context of SAP's data handling and transformation processes, such as in SAP Data Intelligence or SAP BW/4HANA.
  Possible Causes:
  
  Malformed JSON: The JSON structure being read may be incorrectly formatted or missing required fields.
  Missing In-Ports: The specified in-ports (input ports) may not be defined or may not match the expected configuration in the data flow.
  Configuration Issues: There may be issues with the configuration of the data flow or transformation that prevent it from correctly interpreting the JSON input.
  Version Compatibility: There may be compatibility issues between different versions of SAP components or tools being used.
  Data Type Mismatch: The data types expected by the in-ports may not match the data types provided in the JSON.
  
  Solutions:
  
  Validate JSON: Check the JSON structure for correctness. Use a JSON validator to ensure that it is well-formed and contains all necessary fields.
  Check In-Port Definitions: Review the configuration of the data flow or transformation to ensure that all in-ports are correctly defined and match the expected input.
  Review Configuration: Ensure that the data flow or transformation is correctly configured and that all necessary parameters are set.
  Update Components: If there are known compatibility issues, consider updating the relevant SAP components to the latest version.
  Data Type Verification: Ensure that the data types in the JSON match the expected data types for the in-ports.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are working with (e.g., SAP Data Intelligence, SAP BW/4HANA) for detailed information on data flows and transformations.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and to find potential solutions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.