How To Fix CRM_MESSAGES020 - Error when reading message data from database

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MESSAGES - Output for CRM Output Collector

• Message number: 020

• Message text: Error when reading message data from database

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 CRM_MESSAGES020 - Error when reading message data from database ?

  The SAP error message CRM_MESSAGES020 indicates that there is an issue when the system attempts to read message data from the database. This error can occur in various scenarios, particularly when dealing with CRM (Customer Relationship Management) functionalities.
  Causes:
  
  Database Issues: There may be problems with the database itself, such as corruption, connectivity issues, or misconfigurations.
  Missing Data: The specific message data that the system is trying to access may not exist in the database.
  Authorization Issues: The user may not have the necessary permissions to access the message data.
  Configuration Errors: There could be issues with the configuration settings related to message handling in the CRM system.
  Transport Issues: If the system has recently undergone a transport, there may be inconsistencies in the message data.
  
  Solutions:
  
  Check Database Connectivity: Ensure that the database is up and running and that there are no connectivity issues.
  Verify Data Existence: Check if the message data exists in the database. You can do this by querying the relevant tables directly.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the message data. You may need to adjust roles or permissions.
  Check Configuration Settings: Review the configuration settings related to message handling in the CRM system. Ensure that everything is set up correctly.
  Database Consistency Check: Run a consistency check on the database to identify and fix any corruption or inconsistencies.
  Transport Management: If the issue arose after a transport, check the transport logs for errors and ensure that all necessary objects were transported correctly.
  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: You may use transaction codes like SE11 (Data Dictionary) to check the relevant database tables or SE37 (Function Builder) to analyze the function modules related to message handling.
  Logs and Traces: Check the application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context.
  SAP Community: Consider searching or posting in the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or open a support ticket with SAP for further assistance.