How To Fix ESH_SQL_SEARCH078 - Response field with the 1:n cardinality error: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_SQL_SEARCH - ESH SQL Search

• Message number: 078

• Message text: Response field with the 1:n cardinality error: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_SQL_SEARCH078 - Response field with the 1:n cardinality error: &1 ?

  The SAP error message ESH_SQL_SEARCH078 typically indicates an issue related to the cardinality of response fields in a search query, particularly in the context of the Enterprise Search (ESH) framework. The error message suggests that a response field is expected to have a 1:n (one-to-many) relationship, but the data being returned does not conform to this expectation.
  Cause:
  
  Data Model Mismatch: The data model defined in the search configuration may not match the actual data being returned. For example, if a field is defined to return multiple values but is only returning a single value or vice versa.
  Configuration Issues: There may be misconfigurations in the search connector or the search model that lead to incorrect cardinality being defined for certain fields.
  Data Quality Issues: The underlying data may not be structured correctly, leading to unexpected results when the search is executed.
  Search Query Issues: The search query itself may be incorrectly formulated, leading to unexpected results.
  
  Solution:
  
  Check Configuration: Review the configuration of the search model and ensure that the cardinality of the response fields is correctly defined. Make sure that the fields are set up to handle the expected number of values.
  Review Data Model: Ensure that the data model aligns with the actual data being indexed. If necessary, adjust the data model to reflect the correct relationships.
  Data Quality Check: Perform a data quality check on the underlying data to ensure that it is structured correctly and that there are no anomalies that could lead to this error.
  Adjust Search Query: If the search query is causing the issue, modify it to ensure that it aligns with the expected cardinality of the response fields.
  Testing: After making changes, test the search functionality to ensure that the error is resolved and that the expected results are returned.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Documentation: Review the official SAP documentation for Enterprise Search to understand how to configure search models and response fields properly.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.