How To Fix SCTS_HDI544 - A reference to container/schema & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: SCTS_HDI - Messages for CTS HDI API

• Message number: 544

• Message text: A reference to container/schema & already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SCTS_HDI544 - A reference to container/schema & already exists ?

  The SAP error message SCTS_HDI544 indicates that there is an attempt to create a container or schema in the SAP HANA database that already exists. This error typically occurs when you are trying to deploy a new version of an application or a database artifact that includes the creation of a container or schema that has already been defined in the system.
  Cause:
  The primary cause of this error is that the container or schema you are trying to create already exists in the SAP HANA database. This can happen in various scenarios, such as:
  
  Attempting to redeploy an application that includes the creation of a schema or container.
  Running a script or migration that tries to create a schema that has already been created in a previous deployment.
  Conflicts between different deployment processes or environments.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Containers/Schemas:
  
  Use the SAP HANA database tools (like HANA Studio or HANA Cockpit) to check if the container or schema already exists.
  You can run SQL queries to list existing schemas or containers:
  SELECT * FROM _SYS_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '<your_schema_name>';
  
  
  
  
  Modify Deployment Scripts:
  
  If you are using deployment scripts (like .hdbdeploy files), modify them to check for the existence of the schema/container before attempting to create it. You can use conditional logic to handle this.
  
  
  
  Drop Existing Schema/Container:
  
  If the existing schema/container is no longer needed, you can drop it using:
  DROP SCHEMA <your_schema_name> CASCADE;
  
  Be cautious with this approach, as it will remove all objects within that schema.
  
  
  
  Use CREATE OR REPLACE:
  
  If applicable, consider using CREATE OR REPLACE statements in your deployment scripts to update existing schemas or containers without causing conflicts.
  
  
  
  Check for Concurrent Deployments:
  
  Ensure that there are no concurrent deployments or processes that might be trying to create the same schema/container at the same time.
  
  
  
  Consult Documentation:
  
  Review the SAP HANA documentation for best practices on managing schemas and containers, especially in multi-tenant environments.
  
  
  
  Related Information:
  
  SAP HANA Database Administration: Familiarize yourself with the administration of schemas and containers in SAP HANA.
  Deployment Best Practices: Understand the best practices for deploying applications in SAP HANA, including versioning and managing database artifacts.
  Error Handling: Implement error handling in your deployment processes to gracefully manage conflicts and existing objects.
  
  By following these steps, you should be able to resolve the SCTS_HDI544 error and successfully manage your SAP HANA schemas and containers.