How To Fix FDT_CORE151 - ID of data object must be unique. ID &1 already exists in context

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 151

• Message text: ID of data object must be unique. ID &1 already exists in context

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE151 - ID of data object must be unique. ID &1 already exists in context ?

  The SAP error message FDT_CORE151 indicates that there is a conflict with the ID of a data object within a specific context in the SAP system. This error typically arises when you are trying to create or modify a data object (like a field, table, or structure) that has an ID that already exists in the same context. 
  Cause:
  
  Duplicate ID: The most common cause of this error is that you are attempting to create a new data object with an ID that is already in use within the same context. Each data object must have a unique identifier to avoid confusion and ensure proper data handling.
  Context Mismanagement: If you are working with multiple contexts or have recently imported or copied objects, there may be unintentional duplicates.
  Development Environment Issues: Sometimes, issues in the development environment, such as improper synchronization or versioning, can lead to this error.
  
  Solution:
  
  Check Existing IDs: Review the existing data objects in the context where you are trying to create or modify the object. Ensure that the ID you are using is not already in use.
  Rename the ID: If you find that the ID is already taken, consider renaming your new data object to a unique ID that does not conflict with existing ones.
  Review Context Settings: Ensure that you are working in the correct context and that there are no unintended overlaps with other contexts.
  Clear Cache: Sometimes, clearing the cache or refreshing the development environment can help resolve issues related to stale data.
  Consult Documentation: If you are unsure about the context or the IDs being used, refer to the SAP documentation or guidelines for naming conventions and object management.
  
  Related Information:
  
  SAP FDT (Flexible Data Type): This error is often encountered in the context of SAP FDT, which is used for defining and managing data types and structures in SAP applications.
  Development Best Practices: Following best practices for naming conventions and object management can help prevent such errors in the future.
  SAP Notes and Support: If the issue persists, consider checking SAP Notes or reaching out to SAP support for further assistance, as there may be specific patches or updates related to this error.
  
  By addressing the root cause of the duplicate ID and ensuring proper management of data objects, you should be able to resolve the FDT_CORE151 error effectively.