How To Fix IU326 - & DDL candidate(s) removed from first candidate list

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 326

• Message text: & DDL candidate(s) removed from first candidate list

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 IU326 - & DDL candidate(s) removed from first candidate list ?

  The SAP error message IU326, which states "DDL candidate(s) removed from first candidate list," typically occurs in the context of the SAP system's data dictionary and database operations. This error is often related to issues with database table definitions, particularly when there are inconsistencies or problems with the data dictionary objects.
  Cause:
  
  Inconsistent Data Dictionary: The error may arise if there are inconsistencies in the data dictionary, such as missing or incorrectly defined database objects.
  Database Locking Issues: If a database object is locked or being modified by another process, it may lead to this error.
  Invalid or Missing Table Definitions: If a table or field definition is invalid or missing, the system may not be able to find the necessary candidates for a data definition language (DDL) operation.
  Transport Issues: If there are issues with transporting objects between systems (e.g., from development to production), it may lead to inconsistencies.
  
  Solution:
  
  Check Data Dictionary: Use transaction codes like SE11 (Data Dictionary) to check the definitions of the tables and fields involved. Ensure that all necessary objects are correctly defined and activated.
  Activate Objects: If any objects are not activated, activate them. This can often resolve inconsistencies.
  Check for Locks: Use transaction code SM12 to check for any locks on the database objects. If you find locks that are no longer needed, you can remove them.
  Transport Management: If the issue is related to transport, ensure that all necessary objects have been transported correctly and that there are no missing dependencies.
  Database Consistency Check: Run a consistency check on the database using transaction DB02 or similar tools to identify and resolve any inconsistencies.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SM12 (Lock Entries).
  SAP Notes: Regularly check for SAP Notes related to your version of SAP, as they may provide specific fixes or workarounds for known issues.
  System Logs: Review system logs (transaction SLG1) for additional error messages or warnings that may provide more context about the issue.
  Database Administration: If you have access to database administration tools, consider checking the database for integrity issues or running maintenance tasks.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.