How To Fix RU433 - Invalid PDC communication channel &

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 433

• Message text: Invalid PDC communication channel &

What causes this issue?

You tried to execute an initial or delta download with operation data
for the BDE communication channel &V1&. However, this function is only
available for the following communication channels:
Communication channel 2
Plant data collection for production orders
Communication channel 3
Plant data collection for maintenance orders
Communication channel 4
Plant data collection for networks

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?

Select a valid communication channel.

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 RU433 - Invalid PDC communication channel & ?

  The SAP error message RU433 "Invalid PDC communication channel" typically occurs in the context of the SAP Plant Data Collection (PDC) system. This error indicates that there is an issue with the communication channel between the SAP system and the PDC.
  Causes:
  
  Configuration Issues: The communication channel may not be properly configured in the SAP system or in the PDC settings.
  Network Problems: There could be network connectivity issues preventing communication between the SAP system and the PDC.
  Incorrect Parameters: The parameters set for the PDC communication channel may be incorrect or incomplete.
  Authorization Issues: The user or system may not have the necessary authorizations to access the PDC.
  System Updates or Changes: Recent updates or changes in the SAP system or PDC configuration may have disrupted the communication.
  
  Solutions:
  
  Check Configuration: Verify the configuration settings for the PDC communication channel in the SAP system. Ensure that all parameters are correctly set.
  Network Connectivity: Test the network connection between the SAP system and the PDC. Ensure that there are no firewalls or network issues blocking the communication.
  Review Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  Authorization Check: Ensure that the user or system has the necessary authorizations to access the PDC. Review user roles and permissions.
  Restart Services: Sometimes, restarting the relevant services or the entire system can resolve temporary communication issues.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the PDC communication channel.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Technical Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to diagnose and resolve the "Invalid PDC communication channel" error in your SAP system.