How To Fix E0301 - EDI: Process code '&' for error handling does not exist

E0301 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 301

• Message text: EDI: Process code '&' for error handling does not exist

What causes this issue?

When processing an <DS:GlOS.IDoc>IDoc</> which was to be sent, the EDI
interface could not find the process code &v1& for the error process
for outbound processing. The EDI interface therefore cannot determine
the procedure for an error in outbound processing.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

&WHAT_TO_DO& (for system administration)
Please check the settings for the error processes in the EDI interface.

<DS:TRAN.WE40>Execute function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

E0301 - Details

• The SAP error message E0301, which states "EDI: Process code '&' for error handling does not exist," typically occurs in the context of Electronic Data Interchange (EDI) processing. This error indicates that the system is trying to reference a process code for error handling that has not been defined in the system.
  
  Cause:
  
  Missing Process Code: The specified process code for error handling is not defined in the EDI configuration.
  Incorrect Configuration: There may be a misconfiguration in the EDI settings, leading to the system looking for a non-existent process code.
  Transport Issues: If the configuration was recently transported from another system, the process code may not have been included in the transport.
  
  
  Solution:
  
  
  Define the Process Code:
  
  Go to the transaction code WE42 (for inbound processing) or WE41 (for outbound processing).
  Check if the process code referenced in the error message exists. If it does not, you will need to create it.
  Define the necessary process code and