How To Fix D3021 - Error occurred during get data; see system log in SM21

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 021

• Message text: Error occurred during get data; see system log in SM21

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 D3021 - Error occurred during get data; see system log in SM21 ?

  The SAP error message D3021, which states "Error occurred during get data; see system log in SM21," typically indicates that there was an issue retrieving data from the database or during a specific operation in the SAP system. This error can arise from various underlying causes, and the system log (transaction SM21) can provide more detailed information about the specific error.
  Possible Causes:
  
  Database Issues: There may be problems with the database connection, such as network issues, database server downtime, or configuration errors.
  Authorization Problems: The user may not have the necessary authorizations to access the data being requested.
  Data Corruption: There could be corruption in the data or database tables that is preventing the retrieval of the required information.
  System Resource Limitations: Insufficient memory or other system resources can lead to failures in data retrieval.
  Configuration Errors: Incorrect settings in the SAP system or database configuration can lead to issues when trying to access data.
  Program Errors: Bugs or errors in the ABAP code or custom programs that are trying to access the data.
  
  Solutions:
  
  Check the System Log (SM21): Start by reviewing the system log in transaction SM21 for any related error messages or warnings that can provide more context about the issue.
  Database Connection: Verify that the database is up and running and that there are no connectivity issues. Check the database logs for any errors.
  User Authorizations: Ensure that the user has the necessary authorizations to access the data. You can check this using transaction SU53 after the error occurs.
  Data Consistency Check: Run consistency checks on the database tables to identify and fix any corruption issues. This can be done using transaction DB02 or similar tools.
  System Resources: Monitor system resources (CPU, memory, disk space) to ensure that the system is not running low on resources. If necessary, optimize or increase resources.
  Review Custom Code: If the error occurs in a custom program, review the code for any potential issues or bugs. Debugging the program may help identify the root cause.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes:
  
  SM21: System Log
  SU53: Authorization Check
  DB02: Database Performance Analysis
  
  
  SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for further assistance, providing them with the details from the system log and any relevant error messages.
  
  By following these steps, you should be able to diagnose and potentially resolve the D3021 error in your SAP system.