How To Fix MC518 - A table with the name & already exists

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 518

• Message text: A table with the name & already exists

What causes this issue?

A table with this name was already created in the ABAP/4 Dictionary.

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?

Select 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 MC518 - A table with the name & already exists ?

  The SAP error message MC518, which states "A table with the name & already exists," typically occurs when you are trying to create a database table or a data structure in SAP that already exists in the system. This can happen in various contexts, such as during the creation of custom tables, data dictionary objects, or when running certain transactions that involve table creation.
  Cause:
  
  Duplicate Table Name: The most common cause is that the table name you are trying to create is already in use by another table or object in the SAP system.
  Transport Issues: If you are transporting objects from one system to another, there may be a conflict if the table already exists in the target system.
  Development Environment: In a development environment, multiple developers might inadvertently try to create tables with the same name.
  
  Solution:
  
  Check Existing Tables: Use transaction SE11 (Data Dictionary) to check if a table with the same name already exists. If it does, you may need to use that table instead of creating a new one.
  Rename the Table: If you need to create a new table, consider using a different name that does not conflict with existing objects.
  Delete or Modify Existing Table: If the existing table is no longer needed, you can delete it (if you have the necessary authorizations) or modify it to suit your needs.
  Transport Management: If this error occurs during a transport, ensure that the target system is in sync with the source system. You may need to adjust the transport request or resolve conflicts.
  Check Naming Conventions: Ensure that you are following the naming conventions and guidelines set by your organization to avoid such conflicts in the future.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE14: Database Utility (for managing database objects)
  
  
  SAP Notes: Check SAP Notes for any specific issues related to your version of SAP that might provide additional context or solutions.
  Documentation: Review SAP documentation regarding the creation and management of database tables and data dictionary objects.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.