How To Fix SADL_EXPOSURE054 - Key element &1 of entity &2 is not uniquely associated to element of &3

SADL_EXPOSURE054 - Overview

• Message type: E = Error

• Message class: SADL_EXPOSURE - Errors During Exposure Compilation

• Message number: 054

• Message text: Key element &1 of entity &2 is not uniquely associated to element of &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_EXPOSURE054 - Key element &1 of entity &2 is not uniquely associated to element of &3 ?

  The SAP error message SADL_EXPOSURE054 indicates that there is an issue with the uniqueness of a key element in the context of a data exposure layer (often related to the SAP ABAP programming model for SAP Fiori applications). This error typically arises when the key element specified in the entity is not uniquely associated with the corresponding element in the underlying data model.
  
  Cause:
  The error can occur due to several reasons:
  
  Non-Unique Key Definition: The key element defined in the entity is not unique in the underlying data source. This means that there are multiple records in the database that share the same key value.
  Incorrect Mapping: There may be an issue with how the key elements are mapped between the entity and the underlying data source.
  Data Integrity Issues: The data in the underlying database may have integrity issues, such as duplicate entries that violate the uniqueness constraint.
  
  
  Solution:
  To resolve the SADL_EXPOSURE054 error, you