How To Fix DDLS_HIER012 - Hierarchy &1 could not be saved. SQL error occured.

SAP Error Message - Details

• Message type: E = Error

• Message class: DDLS_HIER - Used for DDL Hierarchies

• Message number: 012

• Message text: Hierarchy &1 could not be saved. SQL error occured.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDLS_HIER012 - Hierarchy &1 could not be saved. SQL error occured. ?

  The SAP error message DDLS_HIER012 indicates that there was an issue saving a hierarchy due to an SQL error. This error typically occurs in the context of SAP BW (Business Warehouse) or when working with InfoObjects and hierarchies in the data modeling environment.
  Possible Causes:
  
  Database Constraints: There may be constraints in the database that prevent the hierarchy from being saved, such as foreign key constraints or unique constraints.
  Data Integrity Issues: The data being saved may violate integrity rules, such as having duplicate entries or invalid references.
  Database Connection Issues: There could be problems with the database connection, such as timeouts or connectivity issues.
  Insufficient Authorizations: The user may not have the necessary authorizations to perform the save operation.
  Database Locking: The database table may be locked by another transaction, preventing the save operation from completing.
  Technical Issues: There may be underlying technical issues with the database or the SAP system itself.
  
  Solutions:
  
  Check Database Logs: Review the database logs for more detailed error messages that can provide insight into the SQL error.
  Validate Data: Ensure that the data being saved adheres to all integrity constraints and does not contain duplicates or invalid references.
  Check Authorizations: Verify that the user has the necessary authorizations to save the hierarchy.
  Release Locks: If the table is locked, identify the locking session and release it if possible.
  Test Database Connection: Ensure that the database connection is stable and functioning correctly.
  Recreate the Hierarchy: If the issue persists, try recreating the hierarchy from scratch to see if the problem is related to specific data entries.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this issue.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility) to analyze the database tables involved.
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance, providing them with the error details and any relevant logs.
  Documentation: Review SAP documentation related to hierarchies and data modeling for best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution.