How To Fix /BDL/D-149 - Communication Error with System &

SAP Error Message - Details

• Message type: E = Error

• Message class: /BDL/D- -

• Message number: 149

• Message text: Communication Error with System &

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 /BDL/D-149 - Communication Error with System & ?

  The SAP error message /BDL/D-149 Communication Error with System & typically indicates a communication issue between the SAP system and another system or service. This could be due to various reasons, such as network issues, configuration problems, or system downtime.
  Causes:
  
  Network Issues: There may be a problem with the network connection between the SAP system and the external system.
  Configuration Errors: Incorrect configuration settings in the SAP system or the external system can lead to communication failures.
  System Downtime: The external system may be down for maintenance or experiencing its own issues.
  Firewall or Security Settings: Firewalls or security settings may be blocking the communication between the systems.
  Protocol Mismatch: The systems may be using different communication protocols or versions that are incompatible.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the external system is stable and functioning. You can use tools like ping or traceroute to diagnose network issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the external system. Ensure that all necessary parameters are correctly set.
  Check System Status: Confirm that the external system is up and running. If it is down, you may need to wait until it is back online.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they allow communication between the two systems.
  Protocol Compatibility: Ensure that both systems are using compatible communication protocols. If necessary, update the configurations to match.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SM21 (System Log) or SM37 (Job Monitoring) to check for any related logs or errors that could provide more context.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. They may have additional insights or patches available.
  Documentation: Review the official SAP documentation for the specific modules or components involved in the communication to ensure all prerequisites and configurations are met.
  
  By following these steps, you should be able to diagnose and resolve the communication error indicated by the message /BDL/D-149.