How To Fix MC019 - Name clashes with that of another Dictionary object

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 019

• Message text: Name clashes with that of another Dictionary object

What causes this issue?

An ABAP/4 Dictionary object with this name already exists.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose another name for your object.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC019 - Name clashes with that of another Dictionary object ?

  The SAP error message MC019 ("Name clashes with that of another Dictionary object") typically occurs when there is a naming conflict in the SAP Dictionary. This can happen when you try to create or modify a database object (like a table, view, or data element) with a name that is already in use by another object in the SAP system.
  Causes:
  
  Duplicate Names: You are attempting to create a new object with a name that already exists in the SAP Dictionary.
  Namespace Issues: If you are working in a specific namespace and trying to create an object that conflicts with an existing object in the same or a different namespace.
  Transport Issues: Sometimes, objects that are transported from one system to another can lead to conflicts if the same object name exists in both systems.
  
  Solutions:
  
  Check Existing Objects: Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check if the object name you are trying to create already exists. If it does, consider using a different name.
  Rename the Object: If you find that the name is already in use, you can either rename your new object or modify the existing one if appropriate.
  Use a Unique Namespace: If you are developing custom objects, ensure that you are using a unique namespace to avoid conflicts with standard SAP objects or other custom objects.
  Transport Management: If the issue arises due to transport, ensure that the transport requests are correctly managed and that there are no conflicting objects in the target system.
  Check for Deletion: If you believe the object should not exist, check if it has been deleted but still exists in the system's metadata. You may need to refresh or clear the cache.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE80: Object Navigator
  SE37: Function Module
  SE38: ABAP Editor
  
  
  SAP Notes: Check SAP Notes for any specific issues related to this error message. Sometimes, there are known issues or patches that can resolve conflicts.
  Documentation: Review SAP documentation for best practices on naming conventions and object management to avoid such conflicts in the future.
  
  By following these steps, you should be able to resolve the MC019 error and successfully create or modify your SAP Dictionary objects.