How To Fix ARUN_MAIN083 - Item &1 is assigned; &2 will completely unassign the item

SAP Error Message - Details

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 083

• Message text: Item &1 is assigned; &2 will completely unassign the item

What causes this issue?

The material is relevant to Supply Assignment (ARun) and an assignment
exists for this document item.
The document item is will be unassigned for one of the following
reasons:
You have defined the Customization for the document item under
<LS>Cross-Application Components > Advanced Available-to-Promise (aATP)
> Supply Assignment (ARun) > Cross-Applications > Purchase Order
Handling</>, changing the document item will unassign the order. You
have set the field check as W = Warnings Before an Order is Unassigned.
You have not defined a rule to unassign orders under
<LS>Cross-Application Components > Advanced Available-to-Promise (aATP)
> Supply Assignment (ARun) > Cross-Applications > Purchase Order
Handling</>. The item 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_MAIN083 - Item &1 is assigned; &2 will completely unassign the item ?

  The SAP error message ARUN_MAIN083 indicates that an item (identified by &1) is currently assigned to a particular object or process, and the action you are attempting to perform (indicated by &2) will completely unassign that item. This message typically arises in the context of managing assignments in various SAP modules, such as SAP S/4HANA, SAP ERP, or SAP CRM.
  Cause:
  
  Current Assignment: The item you are trying to unassign is currently linked to another object or process. This could be a material, a service, or any other entity that has dependencies.
  Process Conflict: The action you are trying to perform may conflict with the current state of the item, leading to potential data integrity issues.
  User Permissions: Sometimes, the user may not have the necessary permissions to perform the unassignment, leading to this error.
  
  Solution:
  
  Check Current Assignments: Before proceeding with the unassignment, check where the item is currently assigned. You can do this by navigating to the relevant transaction or using reports that show item assignments.
  Review Dependencies: Understand the implications of unassigning the item. If it is critical to other processes, consider whether you can modify those dependencies first.
  Perform Unassignment: If you are sure that unassigning the item is the correct action, ensure that you are following the correct procedure. This may involve:
  
  Navigating to the appropriate transaction code.
  Selecting the item and choosing the unassign option.
  
  
  User Permissions: If you suspect that permissions are an issue, consult with your SAP administrator to ensure you have the necessary rights to perform the action.
  Consult Documentation: Refer to SAP documentation or help files for specific guidance related to the module you are working in, as the context can vary.
  
  Related Information:
  
  Transaction Codes: Depending on the module, you may be using different transaction codes (e.g., ME22N for purchasing, VA02 for sales orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to resolve the ARUN_MAIN083 error and successfully manage item assignments in your SAP system.