How To Fix CL_RAP_OPXY_EDMX_MSG014 - Multiple Etags found in &

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_RAP_OPXY_EDMX_MSG -

• Message number: 014

• Message text: Multiple Etags found in &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL_RAP_OPXY_EDMX_MSG014 - Multiple Etags found in & ?

  The SAP error message CL_RAP_OPXY_EDMX_MSG014 with the description "Multiple Etags found in &" typically occurs in the context of the RAP (Rapid Application Programming) model when there are multiple ETags (Entity Tags) associated with a single entity instance. This can happen in scenarios where the system is trying to manage concurrency and versioning of data, and it finds more than one ETag for the same entity, which leads to ambiguity.
  Cause:
  
  Multiple Versions of the Same Entity: The error can occur if there are multiple versions of the same entity in the database, which can happen due to concurrent updates or incorrect handling of entity states.
  Incorrect Configuration: There might be a misconfiguration in the RAP model or the way the entity is defined, leading to multiple ETags being generated.
  Data Consistency Issues: If the underlying data is inconsistent or if there are issues with the data model, it can lead to multiple ETags being generated for the same entity.
  
  Solution:
  
  Check Entity Definitions: Review the definitions of the entities in your RAP model to ensure that they are correctly defined and that there are no duplicate entries or misconfigurations.
  Data Cleanup: If there are multiple versions of the same entity in the database, you may need to clean up the data to ensure that only one version exists. This may involve deleting or merging duplicate records.
  Concurrency Control: Implement proper concurrency control mechanisms to ensure that updates to the entity are managed correctly, preventing multiple ETags from being generated.
  Debugging: Use debugging tools to trace the execution flow and identify where the multiple ETags are being generated. This can help pinpoint the root cause of the issue.
  Consult Documentation: Refer to the SAP documentation for RAP and ETags to understand the expected behavior and configuration settings.
  
  Related Information:
  
  RAP Model: The RAP model is designed to simplify the development of business applications in SAP S/4HANA. Understanding its architecture and how it handles data can provide insights into resolving issues.
  ETags: ETags are used in RESTful services to manage cache and concurrency. They help ensure that the client is working with the latest version of the resource.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide additional guidance on handling ETags in RAP.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.