How To Fix DHCDC_RT034 - Cannot create data reader for object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: DHCDC_RT - Messages for Runtime Object of CDC ABAP Agent

• Message number: 034

• Message text: Cannot create data reader for object &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DHCDC_RT034 - Cannot create data reader for object &1 ?

  The SAP error message DHCDC_RT034 ("Cannot create data reader for object &1") typically occurs in the context of data extraction or reporting, particularly when working with SAP Data Warehousing or SAP BW (Business Warehouse). This error indicates that the system is unable to create a data reader for the specified object, which can be a data source, InfoProvider, or other data-related objects.
  Possible Causes:
  
  Object Not Found: The specified object (&1) may not exist in the system or may have been deleted.
  Authorization Issues: The user may not have the necessary authorizations to access the specified object.
  Object Configuration: The object may not be properly configured or may have errors in its definition.
  Data Source Issues: If the object is a data source, there may be issues with the underlying data source or its connection.
  Transport Issues: If the object was recently transported from another system, it may not have been activated properly.
  System Performance: High system load or performance issues may prevent the creation of the data reader.
  
  Solutions:
  
  Check Object Existence: Verify that the object specified in the error message exists in the system. You can do this by navigating to the relevant transaction (e.g., RSA1 for InfoProviders).
  Review Authorizations: Ensure that the user has the necessary authorizations to access the object. You may need to check roles and profiles assigned to the user.
  Validate Object Configuration: Check the configuration of the object for any inconsistencies or errors. This may involve reviewing the settings in the Data Warehousing Workbench.
  Test Data Source: If the object is a data source, test the connection and ensure that it is functioning correctly. You can use transaction RSA3 to test the data source.
  Re-activate Object: If the object was recently transported, try re-activating it to ensure that all components are correctly set up.
  Monitor System Performance: Check for any performance issues in the system that may be affecting the ability to create the data reader. This may involve checking system logs or performance metrics.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA3 (Data Source Test), and SE11 (Data Dictionary) for checking object definitions.
  SAP Notes: Search for SAP Notes related to the error message for any specific patches or updates that may address the issue.
  Logs and Traces: Review system logs (SM21) and traces (ST22) for any additional error messages or information that may provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or technical support team for further assistance.