How To Fix SDDL_PARSER_MSG246 - &1 is not a key field in the ON condition of a composition definition

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 246

• Message text: &1 is not a key field in the ON condition of a composition definition

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG246 - &1 is not a key field in the ON condition of a composition definition ?

  The SAP error message SDDL_PARSER_MSG246 indicates that there is an issue with the definition of a composition in your SAP system. Specifically, the error states that a certain field (denoted by &1) is not a key field in the ON condition of a composition definition. This typically occurs in the context of SAP's data modeling or when working with Composite Providers in SAP BW/4HANA or SAP BW.
  Cause:
  The error arises when the ON condition of a composition definition does not include a key field that is necessary for the relationship between the data sources. In a composition, the ON condition is used to define how the data from different sources is related to each other. If a field that is expected to be a key field is missing from this condition, the system cannot establish the necessary relationships, leading to this error.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check the Composition Definition:
  
  Go to the transaction where you define the composition (e.g., Composite Provider).
  Review the ON condition of the composition definition.
  
  
  
  Identify the Missing Key Field:
  
  Look for the field mentioned in the error message (&1). This field should be part of the ON condition.
  Ensure that this field is included in the ON condition of the composition.
  
  
  
  Modify the ON Condition:
  
  If the field is missing, add it to the ON condition.
  Ensure that the field is correctly mapped and that it is a key field in both data sources involved in the composition.
  
  
  
  Validate the Composition:
  
  After making changes, validate the composition definition to ensure there are no further errors.
  Test the composition to confirm that it works as expected.
  
  
  
  Check Data Source Definitions:
  
  Ensure that the data sources used in the composition definition are correctly defined and that the key fields are properly set up in those sources.
  
  
  
  Related Information:
  
  Key Fields: Key fields are essential for establishing relationships between different data sources. They are used to join tables or datasets in a meaningful way.
  Composite Providers: In SAP BW/4HANA, Composite Providers allow you to combine data from different sources, including InfoProviders and other Composite Providers.
  Data Modeling: Understanding the principles of data modeling in SAP BW is crucial for effectively managing compositions and ensuring data integrity.
  
  If you continue to experience issues after following these steps, consider consulting SAP documentation or reaching out to SAP support for further assistance.