How To Fix CNV_IUUC_REPLICATION401 - Schema &1 already exists in system &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 401

• Message text: Schema &1 already exists in system &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION401 - Schema &1 already exists in system &2 ?

  The SAP error message CNV_IUUC_REPLICATION401 Schema &1 already exists in system &2 typically occurs during the data replication process in SAP systems, particularly when using the SAP Landscape Transformation (SLT) replication server. This error indicates that the schema (database schema) you are trying to create or replicate already exists in the target system.
  Cause:
  
  
  Existing Schema: The schema you are attempting to create already exists in the target database. This can happen if:
  
  The schema was created in a previous replication attempt.
  The schema was manually created or exists due to other processes.
  
  
  
  Replication Configuration: There may be a misconfiguration in the SLT setup, leading to attempts to create a schema that should not be created again.
  
  
  Solution:
  
  
  Check Existing Schemas: 
  
  Log into the target database and check if the schema (database) already exists. You can do this by querying the database or using database management tools.
  
  
  
  Drop or Rename Existing Schema: 
  
  If the existing schema is not needed, you can drop it. Be cautious with this approach as it will delete all data within that schema.
  Alternatively, if you need to keep the existing schema, consider renaming it or using a different schema name for the replication.
  
  
  
  Adjust SLT Configuration: 
  
  Review the SLT configuration settings to ensure that the replication is set up correctly. Make sure that the target schema name is correctly specified and does not conflict with existing schemas.
  
  
  
  Reconfigure Replication: 
  
  If necessary, you may need to reconfigure the replication settings in the SLT to avoid this error in future attempts.
  
  
  
  Consult Documentation: 
  
  Refer to SAP documentation or notes related to SLT and replication for any specific guidelines or troubleshooting steps that may apply to your situation.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SLT Documentation: Review the official SAP documentation for SLT to understand the replication process and schema management.
  Database Management: Familiarize yourself with the database management system (DBMS) you are using, as the steps to check and manage schemas may vary.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.