How To Fix FDT_CORE519 - Error saving generated class, two components have the same name

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 519

• Message text: Error saving generated class, two components have the same name

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE519 - Error saving generated class, two components have the same name ?

  The SAP error message FDT_CORE519 indicates that there is a conflict due to two components having the same name when trying to save a generated class in the SAP system. This typically occurs in the context of the SAP Fiori Design Time (FDT) or when working with the ABAP Development Tools (ADT).
  Cause:
  The error is caused by the presence of two components (e.g., fields, structures, or other objects) that share the same name within the same context or namespace. This can happen due to:
  
  Duplicate Naming: Two components created in the same context or package have identical names.
  Inconsistent Naming Conventions: Different developers might have created components without adhering to a consistent naming convention, leading to conflicts.
  Transport Issues: If components were transported from different systems, naming conflicts might arise if the same names were used in both systems.
  
  Solution:
  To resolve the FDT_CORE519 error, you can follow these steps:
  
  
  Identify Duplicate Components:
  
  Check the components in the relevant context (e.g., the package or project) to identify which components have the same name.
  Use transaction codes like SE80 (Object Navigator) or SE11 (Data Dictionary) to search for the components.
  
  
  
  Rename or Remove Duplicates:
  
  If you find duplicates, consider renaming one of the components to ensure that all names are unique.
  If one of the components is not needed, you may choose to delete it.
  
  
  
  Check Naming Conventions:
  
  Establish and enforce a naming convention for components to prevent future conflicts.
  Ensure that all developers are aware of and follow these conventions.
  
  
  
  Re-generate the Class:
  
  After resolving the naming conflict, attempt to save or regenerate the class again.
  
  
  
  Transport Management:
  
  If the issue is related to transport, ensure that the transport requests are correctly managed and that there are no conflicting objects in the target system.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to this error. SAP frequently updates its knowledge base with solutions for common issues.
  Documentation: Review the official SAP documentation for Fiori and ABAP development to understand best practices for component naming and management.
  Community Forums: Engage with the SAP Community or forums like SAP Community Network (SCN) for insights from other developers who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the FDT_CORE519 error and successfully save your generated class.