How To Fix DDL_REPAIR045 - Synonym &1 is missing on database

SAP Error Message - Details

• Message type: E = Error

• Message class: DDL_REPAIR - Message Class for Transaction CDS_REPAIR

• Message number: 045

• Message text: Synonym &1 is missing on database

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DDL_REPAIR045 - Synonym &1 is missing on database ?

  The SAP error message DDL_REPAIR045 indicates that a synonym (a database object that serves as an alias for another database object) is missing in the database. This can occur for various reasons, such as database inconsistencies, issues during system upgrades, or manual deletions.
  Cause:
  
  Database Inconsistency: The synonym may have been deleted or not created properly during a database operation.
  Upgrade Issues: During system upgrades or migrations, synonyms may not be created or may become inconsistent.
  Manual Deletion: A user or administrator may have inadvertently deleted the synonym.
  Transport Issues: If the synonym was part of a transport request, it may not have been transported correctly.
  
  Solution:
  To resolve the DDL_REPAIR045 error, you can follow these steps:
  
  
  Check Database Objects:
  
  Verify if the synonym exists in the database. You can do this by querying the database catalog or using database management tools.
  
  
  
  Recreate the Synonym:
  
  If the synonym is missing, you can recreate it. The SQL command to create a synonym typically looks like this:
  CREATE SYNONYM synonym_name FOR object_name;
  
  Replace synonym_name with the name of the synonym and object_name with the name of the object it should point to.
  
  
  
  Check Transport Requests:
  
  If the synonym was part of a transport request, ensure that the transport was imported correctly into the target system.
  
  
  
  Run Database Consistency Checks:
  
  Use SAP tools like the ABAP report RSDBA_CHECK or transaction SE14 to check for database inconsistencies and repair them if necessary.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Database Management: Understanding how synonyms work in your specific database (e.g., Oracle, SQL Server) can help in troubleshooting.
  SAP Basis Administration: Familiarity with SAP Basis concepts and tools can be beneficial for resolving database-related issues.
  System Logs: Check system logs (transaction SM21) for any related errors or warnings that might provide additional context.
  
  By following these steps, you should be able to address the DDL_REPAIR045 error and restore the missing synonym in your SAP system.