How To Fix DMC_RT_MSG242 - Cannot retrieve data from the source system; see long text

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 242

• Message text: Cannot retrieve data from the source system; see long text

What causes this issue?

The process that is requesting data from the source system is unable to
retrieve data. This situation can occur if the number of jobs defined
for the replication object is too high. If this is the case, you can
reduce the number of jobs in transaction LTRS. This situation can also
occur if the activity for providing the portions that are used to
transfer data takes too long or if this activity was interrupted.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG242 - Cannot retrieve data from the source system; see long text ?

  The SAP error message DMC_RT_MSG242, which states "Cannot retrieve data from the source system; see long text," typically occurs in the context of data management and data integration processes, particularly when using SAP Data Management or SAP Data Intelligence. This error indicates that there is an issue with retrieving data from the specified source system.
  Possible Causes:
  
  Connection Issues: There may be a problem with the connection to the source system, such as network issues, incorrect connection parameters, or the source system being down.
  Authorization Problems: The user or service account may not have the necessary permissions to access the data in the source system.
  Configuration Errors: Incorrect configuration settings in the data integration job or data pipeline can lead to this error.
  Data Source Availability: The source system may not be available or may be undergoing maintenance.
  Data Format Issues: The data format or structure in the source system may not match the expected format in the target system.
  Resource Limitations: The source system may be experiencing resource limitations, such as memory or processing power, which can prevent data retrieval.
  
  Solutions:
  
  Check Connection Settings: Verify the connection parameters (hostname, port, credentials) to ensure they are correct and that the source system is reachable.
  Review User Permissions: Ensure that the user or service account has the necessary permissions to access the data in the source system.
  Examine Configuration: Review the configuration of the data integration job or pipeline for any errors or misconfigurations.
  Monitor Source System: Check the status of the source system to ensure it is operational and not undergoing maintenance.
  Validate Data Formats: Ensure that the data formats and structures in the source system match what is expected by the target system.
  Check Resource Usage: Monitor the resource usage on the source system to identify any bottlenecks or limitations.
  
  Related Information:
  
  Long Text: The long text associated with the error message may provide additional context or specific details about the issue. It is important to review this text for more insights.
  Logs and Traces: Check the logs and traces in both the source and target systems for any additional error messages or warnings that could provide more context.
  SAP Notes: Search for relevant SAP Notes or documentation that may address this specific error or provide troubleshooting steps.
  Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By systematically addressing these potential causes and implementing the suggested solutions, you should be able to resolve the DMC_RT_MSG242 error.