How To Fix HP_DATA058 - Edge type &1: key field name missing

SAP Error Message - Details

• Message type: E = Error

• Message class: HP_DATA - Data Messages

• Message number: 058

• Message text: Edge type &1: key field name missing

Self-Explanatory Message

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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 HP_DATA058 - Edge type &1: key field name missing ?

  The SAP error message HP_DATA058 typically indicates that there is a missing key field name for a specific edge type in the context of SAP HANA or SAP Data Hub. This error can occur during data processing or when trying to configure data flows, especially when dealing with data integration or data modeling.
  Cause:
  The error is usually caused by one of the following issues:
  
  Missing Configuration: The edge type configuration is incomplete, and a required key field name has not been specified.
  Data Model Issues: The data model being used may not have the necessary key fields defined, which are essential for the operation being performed.
  Incorrect Mapping: There may be an issue with how the data is being mapped or transformed, leading to the absence of key fields.
  
  Solution:
  To resolve the HP_DATA058 error, you can take the following steps:
  
  
  Check Configuration:
  
  Review the configuration settings for the edge type in question. Ensure that all required fields, especially key fields, are properly defined.
  If you are using a graphical modeling tool, check the properties of the edge type to ensure that the key field is specified.
  
  
  
  Define Key Fields:
  
  If the key field is missing, you will need to define it. This may involve going into the data model or the specific edge type configuration and adding the necessary key field.
  
  
  
  Validate Data Model:
  
  Ensure that the data model you are working with is complete and correctly set up. Check for any inconsistencies or missing elements that could lead to this error.
  
  
  
  Review Data Mapping:
  
  If you are performing data transformations or mappings, review the mapping logic to ensure that all required fields are being correctly handled and that key fields are included.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the specific version of the software you are using. There may be additional guidelines or requirements for configuring edge types and key fields.
  
  
  
  Testing:
  
  After making the necessary changes, test the configuration again to see if the error persists. If it does, further investigation may be needed.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues.
  Version Specifics: Be aware that the behavior of error messages can vary between different versions of SAP software, so ensure that you are looking at the correct version for your environment.
  
  By following these steps, you should be able to identify and resolve the cause of the HP_DATA058 error in your SAP environment.