How To Fix DBMAN857 - Table name &1 already used in DDIC. Cannot recreate

SAP Error Message - Details

• Message type: E = Error

• Message class: DBMAN - Data Manager Message Class

• Message number: 857

• Message text: Table name &1 already used in DDIC. Cannot recreate

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DBMAN857 - Table name &1 already used in DDIC. Cannot recreate ?

  The SAP error message DBMAN857 indicates that you are trying to create a database table in the Data Dictionary (DDIC) with a name that is already in use. This typically occurs when you attempt to create a table that has the same name as an existing table in the system.
  Cause:
  
  Table Name Conflict: The specified table name (&1) is already used by another table in the Data Dictionary. This could be a standard SAP table, a custom table, or a table that was previously created and not deleted properly.
  Transport Issues: If you are working in a transport environment, the table might exist in another system (e.g., development, quality assurance, or production) and is not yet reflected in your current system.
  Namespace Issues: If you are using a custom namespace, ensure that the table name does not conflict with existing objects in the same namespace.
  
  Solution:
  
  Check Existing Tables: Use transaction SE11 (Data Dictionary) to check if the table already exists. If it does, you may need to choose a different name for your new table.
  Rename the Table: If you are trying to create a new table, consider using a different name that does not conflict with existing tables.
  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 as required.
  Transport Management: If you suspect that the table exists in another system, check the transport logs and ensure that all relevant transports have been imported correctly.
  Namespace Consideration: If you are working in a custom namespace, ensure that your naming conventions are followed to avoid conflicts.
  
  Related Information:
  
  Transaction SE11: Use this transaction to view and manage database tables in the Data Dictionary.
  Transaction SE80: This is the Object Navigator, which can also be used to check for existing objects, including tables.
  Transport Organizer (SE09/SE10): Use these transactions to manage transport requests and check for any pending transports that might affect the table creation.
  Naming Conventions: Familiarize yourself with SAP's naming conventions for database objects to avoid conflicts in the future.
  
  If you continue to face issues after checking these points, consider reaching out to your SAP Basis team or consulting SAP support for further assistance.