How To Fix ARUN_MAIN032 - Item &1 is reserved and will be unassigned

ARUN_MAIN032 - Overview

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 032

• Message text: Item &1 is reserved and will be unassigned

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_MAIN032 - Item &1 is reserved and will be unassigned ?

  The SAP error message ARUN_MAIN032 indicates that a specific item (denoted by &1) is reserved and will be unassigned. This message typically arises in the context of inventory management, production planning, or similar modules where items are reserved for specific purposes, such as production orders, sales orders, or other commitments.
  
  Cause:
  
  Reservation Exists: The item in question has an active reservation that prevents it from being processed in the current transaction.
  Unassignment Process: The system is attempting to unassign or release the item from its reservation, which may be due to a change in the order or a cancellation of the reservation.
  
  Configuration Issues: There may be configuration settings in the system that dictate how reservations are handled, leading to this message if they are not aligned with the current transaction.
  
  
  Solution:
  
  Check Reservations: Review the reservations for the item using transaction codes like MB22 (Change Reservation) or MB23 (Display Reservation). Ensure that the reservation is