How To Fix URL_GEN_MSGS021 - Unknown problems occurred while loading runtime data

SAP Error Message - Details

• Message type: E = Error

• Message class: URL_GEN_MSGS - Messages for URL Generation

• Message number: 021

• Message text: Unknown problems occurred while loading runtime data

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?

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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 URL_GEN_MSGS021 - Unknown problems occurred while loading runtime data ?

  The SAP error message URL_GEN_MSGS021 indicates that there are unknown problems occurring while loading runtime data. This error can arise in various contexts, often related to issues with the SAP system's configuration, data integrity, or connectivity.
  Possible Causes:
  
  Configuration Issues: Incorrect settings in the SAP system or in the application server can lead to this error.
  Data Integrity Problems: Corrupted or missing data in the database can prevent the runtime data from loading correctly.
  Network Issues: Problems with network connectivity between the SAP application server and the database or other services can cause this error.
  Authorization Issues: Insufficient permissions for the user or service trying to access the runtime data.
  System Resource Limitations: Insufficient memory or processing power on the server can lead to failures in loading data.
  Software Bugs: There may be bugs in the SAP software or in custom code that is being executed.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the SAP system to ensure they are correct. This includes checking the application server settings and any relevant parameters.
  Data Consistency Check: Run consistency checks on the database to identify and fix any corrupted or missing data. Use transaction codes like DB02 or DBACOCKPIT for database checks.
  Network Diagnostics: Verify network connectivity between the SAP application server and the database. Check for any firewalls or network issues that may be blocking access.
  User Authorizations: Ensure that the user or service account has the necessary permissions to access the runtime data. Use transaction SU53 to analyze authorization issues.
  Monitor System Resources: Check the system's resource usage (CPU, memory, etc.) to ensure that it is not overloaded. Use transaction SM50 or SM66 to monitor active processes.
  Review Logs: Check the SAP application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context.
  Update Software: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known bugs.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SLG1 (Application Log), DB02 (Database Performance), and SU53 (Authorization Check).
  SAP Notes: Search for SAP Notes related to the error message or the specific components you are working with. SAP Notes often contain solutions or workarounds for known issues.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with to understand any specific requirements or configurations.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the URL_GEN_MSGS021 error message in SAP.