How To Fix UPWB184 - Communication error &1, status &2, subrc &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: UPWB - Messages for Development Class UPWB

• Message number: 184

• Message text: Communication error &1, status &2, subrc &3 &4

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UPWB184 - Communication error &1, status &2, subrc &3 &4 ?

  The SAP error message UPWB184 typically indicates a communication error in the context of SAP Business Warehouse (BW) or SAP Business Planning and Consolidation (BPC). The message provides specific details about the error, including the communication status and sub-return code, which can help in diagnosing the issue.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Network Issues: Problems with the network connection between the SAP system and the database or other systems.
  Configuration Errors: Incorrect settings in the SAP BW or BPC configuration that prevent proper communication.
  Authorization Issues: Lack of necessary authorizations for the user or system trying to perform the operation.
  System Performance: High load on the system or database that leads to timeouts or communication failures.
  Service Availability: The service or application that the SAP system is trying to communicate with may be down or unavailable.
  
  Solution:
  To resolve the UPWB184 error, you can follow these steps:
  
  Check Network Connectivity: Ensure that there are no network issues. You can use tools like ping or traceroute to check connectivity between systems.
  Review Configuration Settings: Verify the configuration settings in SAP BW/BPC. Ensure that all necessary connections (RFC, ODBC, etc.) are correctly set up.
  Check Authorizations: Make sure that the user has the necessary authorizations to perform the action that triggered the error.
  Monitor System Performance: Check the performance of the SAP system and the database. Look for any bottlenecks or high resource usage that could be causing timeouts.
  Review Logs: Check the SAP application logs (transaction SLG1) and system logs (transaction SM21) for any additional error messages or warnings that could provide more context.
  Restart Services: If applicable, try restarting the relevant services or applications that may be causing the communication issue.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for BW/BPC for more detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the full error message details, including the status and sub-return code.
  
  By following these steps, you should be able to diagnose and resolve the UPWB184 communication error in your SAP environment.