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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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