How To Fix LT_DHAPE_OPERATORS039 - Graph port type (&1) does not match operator port type (&2) for &3:&4

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 039

• Message text: Graph port type (&1) does not match operator port type (&2) for &3:&4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LT_DHAPE_OPERATORS039 - Graph port type (&1) does not match operator port type (&2) for &3:&4 ?

  The SAP error message LT_DHAPE_OPERATORS039 indicates a mismatch between the graph port type and the operator port type in a data flow or transformation process. This error typically occurs in the context of SAP Data Intelligence or SAP HANA when working with data pipelines or graphical data flows.
  Cause:
  The error arises when there is an inconsistency between the expected data type of a port in an operator and the actual data type being provided by the connected port. This can happen due to:
  
  Incorrect Data Type Mapping: The data type of the output from one operator does not match the expected input type of the next operator.
  Configuration Issues: The operators may not be configured correctly, leading to a mismatch in expected data types.
  Changes in Data Model: If there have been changes in the underlying data model or schema, the operators may not have been updated accordingly.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Port Types: Review the data types of the ports involved in the error message. Ensure that the output port type of the first operator matches the input port type of the second operator.
  
  
  Update Operator Configuration: If the operators are not configured correctly, update their settings to ensure that they are compatible. This may involve changing the data type or modifying the transformation logic.
  
  
  Validate Data Flow: Use the validation tools available in SAP Data Intelligence or SAP HANA to check the entire data flow for any inconsistencies. This can help identify other potential issues.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific operators you are using to understand the expected input and output types.
  
  
  Test with Sample Data: If possible, test the data flow with sample data to see if the issue persists. This can help isolate the problem.
  
  
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with a colleague who has experience with the specific operators and data flows you are working with.
  
  
  Related Information:
  
  SAP Data Intelligence Documentation: Check the official SAP documentation for detailed information on operators and data types.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Error Logs: Review error logs for additional context or related errors that may provide more insight into the problem.
  
  By following these steps, you should be able to identify and resolve the cause of the LT_DHAPE_OPERATORS039 error in your SAP environment.