How To Fix ARUN_MAIN005 - Item &1 will be unassigned (see long text)

ARUN_MAIN005 - Overview

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 005

• Message text: Item &1 will be unassigned (see long text)

What causes this issue?

The material is relevant to Supply Assignment (ARun) and an assignment
exists for this document item. You have not defined a rule to unassign
orders for an application type in Customizing under
<LS>Cross-Application Components > Advanced Available-to-Promise (aATP)
> Supply Assignment (ARun) > Cross-Applications</>.
If you have not defined any rule to unassign an order, then the orders
will be unassigned automatically.

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?

Define rules to unassign orders for an application type in Customizing
under <LS>Cross-Application Components > Advanced Available-to-Promise
(aATP) > Supply Assignment (ARun) > Cross-Applications.</>
By defining a rule to unassign orders, you specify exactly how the
system should react when an application type is modified (for example,
change in requirement date, goods receipt date, plant, storage location,
and so on).
You set the appropriate fields listed in the application type in
Customizing. For field checks, you can assign one of the following
options.
N = No Action
W = Warnings Before an Order is Unassigned
E = Change Not Permitted
Depending on the selected parameter, the system decides how and when the
quantities should be unassigned.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ARUN_MAIN005 - Item &1 will be unassigned (see long text) ?

  The SAP error message ARUN_MAIN005 indicates that an item in a document (such as a sales order, purchase order, or other transactional document) is going to be unassigned. This typically occurs in the context of document processing where certain conditions are not met, leading to the unassignment of an item.
  
  Cause:
  The specific causes for this error can vary, but common reasons include:
  
  Missing Data: Required fields or data for the item are missing or incomplete.
  Inconsistent Data: The data associated with the item may not be consistent with the overall document or system requirements.
  Business Rules: Certain business rules or validations may not be satisfied, leading to the item being flagged for unassignment.
  
  Configuration Issues: There may be configuration settings in the system that are causing the item to be unassigned.
  
  
  Solution:
  To resolve the ARUN_MAIN005 error, consider the following steps:
  
  Check Long Text: Review the long text associated with the error message for specific details about why