How To Fix QL_COMMUNICATION000 - * * * Message Communication Inbound * * *

SAP Error Message - Details

• Message type: E = Error

• Message class: QL_COMMUNICATION - Messages for Communication

• Message number: 000

• Message text: * * * Message Communication Inbound * * *

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 QL_COMMUNICATION000 - * * * Message Communication Inbound * * * ?

  The SAP error message "QL_COMMUNICATION000    Message Communication Inbound   " typically indicates an issue with the communication between SAP systems or between SAP and external systems. This error can arise in various contexts, such as during data exchange, message processing, or integration scenarios.
  Causes:
  
  Network Issues: Problems with the network connection can prevent messages from being sent or received.
  Configuration Errors: Incorrect settings in the communication configuration (e.g., RFC destinations, logical systems) can lead to this error.
  Authorization Issues: The user or system may lack the necessary authorizations to send or receive messages.
  Message Format Issues: The format of the message being sent or received may not match the expected format.
  System Downtime: The target system may be down or unavailable, leading to communication failures.
  Middleware Issues: If using middleware (like SAP PI/PO), issues in the middleware configuration can also cause this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the systems is stable and functioning properly.
  Review Configuration Settings:
  
  Verify the RFC destinations and ensure they are correctly configured.
  Check the logical system settings in transaction SALE and ensure they are correctly defined.
  
  
  Check Authorizations: Ensure that the user or system has the necessary authorizations to perform the communication.
  Validate Message Formats: Ensure that the messages being sent and received conform to the expected formats and structures.
  Monitor System Status: Check the status of the target system to ensure it is up and running.
  Review Middleware Logs: If using middleware, check the logs for any errors or issues that may indicate a problem with message processing.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM58 (for RFC errors), SLG1 (for application logs), and SOST (for sending emails) to troubleshoot communication issues.
  SAP Notes: Search for relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Review SAP documentation related to message communication and integration scenarios for best practices and troubleshooting steps.
  
  If the issue persists after checking the above points, it may be beneficial to engage with SAP support for further assistance.