How To Fix E0031 - Port '&' does not exist in the table of port descriptions

E0031 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 031

• Message text: Port '&' does not exist in the table of port descriptions

What causes this issue?

The file name of the outbound file is to be created for the port &v1&.
However, the port does not exist (any longer) in the table of port
definitions.

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?

Create this port or use a port which already exists.

<DS:TRAN.WE21>Execute function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0031 - Port '&' does not exist in the table of port descriptions ?

  The SAP error message E0031, which states "Port '&' does not exist in the table of port descriptions," typically occurs when there is an issue with the configuration of communication ports in the SAP system. This error can arise in various contexts, such as when trying to send messages, perform remote function calls (RFC), or during the configuration of certain interfaces.
  
  Cause:
  
  Missing Port Configuration: The specified port does not exist in the system's configuration. This could be due to a typo in the port name or the port not being created in the system.
  Incorrect Port Name: The port name being referenced may be incorrect or not match the expected naming conventions.
  Transport Issues: If the system has recently undergone a transport or upgrade, the port configuration may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the port configuration.
  
  
  Solution:
  
  
  Check Port Configuration:
  
  Go to transaction code WE21