How To Fix WI303 - Error reading distribution list &

WI303 - Overview

• Message type: E = Error

• Message class: WI - BPT Workflow: Messages from Info System

• Message number: 303

• Message text: Error reading distribution list &

What causes this issue?

The function module <AB>SO_DLI_READ_API1</> terminated with an
exception. The return code was &V2&.

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?

Return code,,Technical name,,Meaning
1,,DLI_NOT_EXIST,,Problem in the binding from the task to the rule. The
system cannot interpret the input parameters (name of distribution
list).
2,,OPERATION_NO_AUTHORIZATION,,The current user (you or the user
WF-BATCH) does not have read authorization for the folder in which the
distribution list is stored.
3,,PARAMETER_ERROR,,Internal error
4,,X_ERROR,,Internal error
INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message WI303 - Error reading distribution list & ?

  SAP Error Message:
  WI303 - Error reading distribution list &
  
  
  Cause:
  The error message WI303 occurs when the SAP system tries to read a distribution list (used in workflow processing) but fails. The ampersand (&) in the message is a placeholder for the distribution list ID or name that could not be read.
  Common causes include:
  
  The distribution list does not exist or has been deleted.
  The distribution list is inactive or locked.
  Authorization issues preventing the user or system from reading the distribution list.
  Inconsistencies or corruption in the distribution list data.
  Transport or client copy issues where the distribution list is missing in the target system.
  
  
  Explanation:
  In SAP Workflow, distribution lists are used to define groups of users or organizational units to whom workflow tasks can be sent. When a workflow step tries to send a task to a distribution list that cannot be found or accessed, the system raises this error.
  
  
  Solution:
  
  
  Check Distribution List Existence:
  
  Use transaction PPOCE (Workflow