How To Fix 00209 - Error creating APPC message

00209 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 209

• Message text: Error creating APPC message

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.

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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.

00209 - Details

• The SAP error message "00209 Error creating APPC message" typically relates to issues with the Advanced Program-to-Program Communication (APPC) interface in SAP. This error can occur in various scenarios, often involving communication between SAP systems or between SAP and non-SAP systems.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP systems can lead to this error. This could be due to firewalls, routing issues, or network outages.
  Configuration Errors: Incorrect configuration of the APPC settings in the SAP system can cause this error. This includes settings in transaction codes like SM59 (RFC destinations) or SICF (HTTP services).
  Resource Limitations: If the system is running low on resources (like memory or CPU), it may fail to create APPC messages.
  System Locks: If the system is locked or if there are issues with the message queue, it may prevent the creation of new messages.
  Version Compatibility: Incompatibility between different versions of SAP systems or between SAP