How To Fix DB_SCHEMA_MAP029 - Entries with automatic schema mapping cannot be changed.

SAP Error Message - Details

• Message type: E = Error

• Message class: DB_SCHEMA_MAP -

• Message number: 029

• Message text: Entries with automatic schema mapping cannot be changed.

What causes this issue?

Transaction DB_SCHEMA_MAP can be used to display, but not change, schema
entries with automatic schema mapping. The name of the physical database
schema is determined automatically by the system.

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?

These entries are ignored in change mode.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB_SCHEMA_MAP029 - Entries with automatic schema mapping cannot be changed. ?

  The SAP error message DB_SCHEMA_MAP029 indicates that there is an attempt to change entries that are automatically mapped to a database schema. This typically occurs in scenarios where the system is trying to modify data that is managed by the database schema mapping feature, which is designed to ensure that certain entries are automatically handled by the system.
  Cause:
  
  Automatic Schema Mapping: The error arises when you try to change entries that are part of a schema mapping that is set to be automatic. This means that the system is managing these entries based on predefined rules or configurations.
  Data Integrity: The system prevents changes to maintain data integrity and consistency, as automatic mappings are often tied to specific business logic or database structures.
  
  Solution:
  
  Review the Configuration: Check the configuration settings for the schema mapping. Ensure that you understand which entries are automatically managed and why they cannot be changed.
  Avoid Direct Changes: Instead of trying to change the entries directly, consider whether you can achieve your goal through other means, such as:
  
  Modifying the underlying data that the schema mapping relies on.
  Using appropriate transactions or programs that are designed to handle these entries.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to work with automatic schema mappings. This may provide insights into best practices and alternative approaches.
  Contact SAP Support: If you are unable to resolve the issue through configuration or documentation, consider reaching out to SAP support for assistance. They can provide specific guidance based on your system's configuration and requirements.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to schema mapping and data management in your SAP environment.
  Testing in Development: If possible, replicate the issue in a development or test environment to better understand the cause and explore potential solutions without impacting production data.
  
  By following these steps, you should be able to address the DB_SCHEMA_MAP029 error effectively.