How To Fix IST_EBS321 - Problem checking the distribution model for message type &1

IST_EBS321 - Overview

• Message type: E = Error

• Message class: IST_EBS - Interface Between IS-T and External Billing System

• Message number: 321

• Message text: Problem checking the distribution model for message type &1

What causes this issue?

The distribution model is not maintained for the message type you are
using.

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?

Maintain the distribution model using transaction BD64.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

IST_EBS321 - Details

• The SAP error message IST_EBS321, which states "Problem checking the distribution model for message type &1," typically occurs in the context of Electronic Bank Statement (EBS) processing. This error indicates that there is an issue with the distribution model configuration for the specified message type.
  
  Cause:
  
  Missing Distribution Model: The distribution model for the specified message type is not defined in the system.
  Incorrect Configuration: The configuration for the distribution model may be incorrect or incomplete.
  Message Type Not Supported: The message type being processed may not be supported or recognized by the system.
  Authorization Issues: There may be authorization issues preventing the system from accessing the distribution model.
  
  
  Solution:
  
  
  Check Distribution Model:
  
  Go to transaction code BD64 to check the distribution model configuration.
  Ensure that the message type specified in the error message is correctly defined in the distribution model.
  
  
  
  Define Missing Entries:
  
  If the message type is missing, you may need to create a new entry in the distribution