How To Fix DMC_RT_MSG191 - Cannot connect to ODP interface

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 191

• Message text: Cannot connect to ODP interface

What causes this issue?

Cannot connect to ODP interface

System Response

The system stops the replication process.

How to fix this error?

In order to connect to the ODP interface, a specific BAdI must be
active. In transaction LTRC, you can check whether this BAdI is active
by using the expert function ?Check Whether BAdI Implementation is
Active?. You can activate the BAdI by using the expert function
?Activate / Deactivate BAdI Implementation?.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG191 - Cannot connect to ODP interface ?

  The SAP error message DMC_RT_MSG191: Cannot connect to ODP interface typically indicates an issue with the connection to the Operational Data Provisioning (ODP) interface, which is used for data extraction in SAP systems. This error can arise due to various reasons, including configuration issues, network problems, or authorization issues.
  Causes:
  
  Configuration Issues: The ODP interface may not be properly configured in the SAP system. This includes settings related to the data source or the ODP itself.
  Network Problems: There may be network connectivity issues between the SAP system and the source system from which data is being extracted.
  Authorization Issues: The user or service account attempting to connect to the ODP interface may not have the necessary authorizations.
  Service Availability: The ODP service may not be running or may be down for maintenance.
  Incorrect ODP Settings: The settings for the ODP interface, such as the logical system or connection parameters, may be incorrect.
  
  Solutions:
  
  
  Check Configuration:
  
  Verify the configuration of the ODP interface in the SAP system. Ensure that all necessary settings are correctly defined.
  Check the data source settings and ensure they are correctly pointing to the right source.
  
  
  
  Network Connectivity:
  
  Test the network connection between the SAP system and the source system. Use tools like ping or traceroute to diagnose any connectivity issues.
  Ensure that firewalls or network security settings are not blocking the connection.
  
  
  
  Authorization Check:
  
  Ensure that the user or service account has the necessary authorizations to access the ODP interface. Check roles and permissions in the SAP system.
  
  
  
  Service Status:
  
  Check if the ODP service is running. You can do this by accessing the relevant transaction codes (like SM51 for checking application servers) or using system monitoring tools.
  If the service is down, restart it or contact your system administrator.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the ODP interface for any specific troubleshooting steps or known issues.
  
  
  
  SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  ODP Configuration: Use transaction ODP or RSA1 to access the Data Warehousing Workbench.
  Monitoring: Use SM37 to check job logs and SM21 for system logs.
  
  
  SAP Notes: Search for SAP Notes related to ODP issues in the SAP Support Portal for any patches or updates that may resolve the issue.
  Documentation: Review the SAP Help Portal for detailed documentation on ODP and its configuration.
  
  By following these steps, you should be able to diagnose and resolve the DMC_RT_MSG191 error effectively.