How To Fix BW_BICS_EQ127 - &1: Two-structure query cannot be used for an OData query

SAP Error Message - Details

• Message type: E = Error

• Message class: BW_BICS_EQ - Easy Query Messages

• Message number: 127

• Message text: &1: Two-structure query cannot be used for an OData query

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BW_BICS_EQ127 - &1: Two-structure query cannot be used for an OData query ?

  The SAP error message BW_BICS_EQ127 indicates that a two-structure query cannot be used for an OData query. This error typically arises when you are trying to execute a query in SAP BW (Business Warehouse) that is not compatible with the OData service due to its structure.
  Cause:
  
  Two-Structure Query: The error specifically points out that the query you are trying to execute is a two-structure query. In SAP BW, a two-structure query is one that involves two different data structures (e.g., two different InfoProviders) that are combined in a single query.
  OData Limitations: OData services in SAP BW are designed to work with simpler queries that can be represented in a single structure. Two-structure queries are more complex and cannot be processed by the OData service.
  
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Modify the Query:
  
  If possible, modify the query to use a single structure. This may involve redesigning the query to pull data from only one InfoProvider or restructuring the data model.
  You can create a new query that combines the necessary data into a single structure that is compatible with OData.
  
  
  
  Use BEx Query Designer:
  
  Open the query in the BEx Query Designer and check the structure of the query. Ensure that it does not involve multiple InfoProviders or complex joins that would lead to a two-structure scenario.
  
  
  
  Check OData Service:
  
  Ensure that the OData service you are using is correctly configured and is intended to work with the type of query you are trying to execute. If the service is not designed for two-structure queries, you may need to create a new service or adjust the existing one.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to OData services and BW queries to understand the limitations and best practices for creating compatible queries.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They may provide insights specific to your BW version and configuration.
  
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for guidelines on query design and OData service limitations.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve compatibility issues.
  
  By following these steps, you should be able to address the BW_BICS_EQ127 error and successfully execute your queries in SAP BW using OData.