How To Fix IU523 - Project &-&: Project tables but no header exists

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 523

• Message text: Project &-&: Project tables but no header exists

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 IU523 - Project &-&: Project tables but no header exists ?

  The SAP error message IU523, which states "Project &-&: Project tables but no header exists," typically occurs in the context of project management within SAP, particularly when dealing with project structures in the Project System (PS) module. This error indicates that there are entries in the project-related tables (like the WBS elements or network activities) that do not have a corresponding project header in the database.
  Cause:
  
  Missing Project Header: The most common cause of this error is that the project header (the main project record) is missing or has not been created properly. This can happen if the project was not fully set up or if there was an error during the project creation process.
  Data Inconsistency: There may be inconsistencies in the database, such as orphaned records where WBS elements or activities exist without a valid project header.
  Deletion of Project Header: If the project header was deleted after the WBS elements or activities were created, this error can occur.
  Transport Issues: If the project was transported from one system to another (e.g., from development to production) and the transport did not include all necessary components, this error may arise.
  
  Solution:
  
  Check Project Header: Verify if the project header exists in the system. You can do this by navigating to the project in the Project System (using transaction codes like CJ03 or CJ20N) and checking if the header data is present.
  Recreate Project Header: If the project header is missing, you may need to recreate it. This can be done using transaction CJ01 (Create Work Breakdown Structure) or CJ20N (Project Builder).
  Data Consistency Check: Use transaction code SE11 to check the database tables for inconsistencies. You can also run reports or use transaction codes like CJEN (Project Structure Report) to identify any inconsistencies in the project structure.
  Restore from Backup: If the project header was deleted, and you have a backup, consider restoring the project from the backup.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ01 (Create WBS), CJ02 (Change WBS), CJ03 (Display WBS), and CJ20N (Project Builder).
  Project System Documentation: Review SAP documentation related to the Project System module for best practices in project creation and management.
  Data Integrity: Regularly perform data integrity checks to ensure that all project-related data is consistent and complete.
  
  By following these steps, you should be able to identify the cause of the IU523 error and implement a solution to resolve it.