How To Fix RA521 - Cannot display table of contents (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: RA - Monitoring structure dialog message

• Message number: 521

• Message text: Cannot display table of contents (internal error)

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 RA521 - Cannot display table of contents (internal error) ?

  The SAP error message RA521, which states "Cannot display table of contents (internal error)," typically occurs when there is an issue with the SAP system's ability to generate or display the table of contents for a report or document. This can happen for various reasons, including configuration issues, data inconsistencies, or system errors.
  Causes:
  
  Data Inconsistencies: There may be missing or corrupted data in the database that the system relies on to generate the table of contents.
  Configuration Issues: Incorrect settings in the SAP system configuration can lead to this error.
  Authorization Problems: The user may not have the necessary permissions to access the data required to display the table of contents.
  System Bugs: There may be bugs or issues in the specific version of SAP you are using that lead to this error.
  Temporary System Glitches: Sometimes, temporary issues with the SAP system can cause this error.
  
  Solutions:
  
  Check Data Integrity: Ensure that the data required for the report or document is complete and not corrupted. You may need to run consistency checks or data validation processes.
  Review Configuration Settings: Verify that the configuration settings related to the report or document are correct. This may involve checking the settings in the relevant transaction codes or customizing options.
  User Authorizations: Ensure that the user encountering the error has the necessary authorizations to access the data. You may need to consult with your SAP security team to review and adjust user roles and permissions.
  System Logs: Check the system logs (transaction code SLG1) for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that address this specific error. There may be patches or updates available that resolve the issue.
  Restart the Session: Sometimes, simply logging out and back into the SAP system can resolve temporary glitches.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including the steps that lead to it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SLG1 (Application Log) for checking logs, SE11 (Data Dictionary) for checking table structures, and SU53 (Authorization Check) for checking authorization issues.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and potentially resolve the RA521 error in your SAP system.