How To Fix CACSCHECK111 - The namespaces in the tables/structures &1 and &2 overlap

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSCHECK - Messages from the Checks Area

• Message number: 111

• Message text: The namespaces in the tables/structures &1 and &2 overlap

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CACSCHECK111 - The namespaces in the tables/structures &1 and &2 overlap ?

  The SAP error message CACSCHECK111 indicates that there is an overlap in the namespaces of two tables or structures in your SAP system. This typically occurs during the activation of a transport request or when trying to implement changes that involve custom development objects. The error suggests that the system has detected that the namespaces of the specified objects conflict with each other, which can lead to issues in data integrity and object management.
  Cause:
  
  
  Namespace Overlap: The primary cause of this error is that two objects (tables or structures) are defined in overlapping namespaces. This can happen if:
  
  Custom development objects are created in a namespace that is already used by another object.
  There are conflicting naming conventions or definitions in the development environment.
  
  
  
  Transport Issues: If you are transporting objects from one system to another (e.g., from development to production), the namespaces may not be properly aligned, leading to conflicts.
  
  
  Incorrect Object Definitions: Sometimes, the error can arise from incorrect definitions or configurations in the ABAP Dictionary.
  
  
  Solution:
  
  
  Identify Conflicting Objects: Check the objects mentioned in the error message (the placeholders &1 and &2) to identify the specific tables or structures that are causing the conflict.
  
  
  Review Namespaces: Ensure that the namespaces for the conflicting objects are correctly defined and do not overlap. You may need to change the namespace of one of the objects to resolve the conflict.
  
  
  Adjust Object Definitions: If the objects are custom developments, consider renaming or restructuring them to avoid namespace overlap. This may involve:
  
  Modifying the table or structure definitions.
  Changing the namespace in the object properties.
  
  
  
  Transport Management: If the issue arises during a transport, ensure that the transport request is correctly configured and that the objects being transported do not conflict with existing objects in the target system.
  
  
  Consult Documentation: Review SAP documentation or notes related to namespace management and object definitions for best practices.
  
  
  Testing: After making changes, test the affected objects to ensure that they function correctly and that the error does not reoccur.
  
  
  Related Information:
  
  Namespace Management: SAP uses namespaces to organize and manage objects. Custom developments typically use a specific namespace (e.g., Z or Y). Ensure that your custom objects are created in the appropriate namespace.
  ABAP Dictionary: Familiarize yourself with the ABAP Dictionary, as it is the central repository for all data definitions in SAP. Understanding how to navigate and manage it can help prevent such errors.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or solutions for this specific error message.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance.