How To Fix IW811 - More than one person has already been assigned to this operation

IW811 - Overview

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 811

• Message text: More than one person has already been assigned to this operation

What causes this issue?

More than one person has already been assigned to this operation
(operation &v1&).

System Response

The system only displays the first assignment.

How to fix this error?

To change the assignment, you use the requirements assignment screen
for the operation.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW811 - More than one person has already been assigned to this operation ?

  The SAP error message IW811 ("More than one person has already been assigned to this operation") typically occurs in the context of work order management within the SAP system, particularly in the Plant Maintenance (PM) or Production Planning (PP) modules. This error indicates that an operation in a work order has already been assigned to multiple persons, which is not allowed in the system.
  
  Cause:
  
  Multiple Assignments: The primary cause of this error is that the operation in question has already been assigned to one or more persons. SAP does not allow more than one person to be assigned to the same operation simultaneously.
  Data Entry Error: It may also occur due to incorrect data entry or configuration settings that allow for multiple assignments.
  System Configuration: The system may be configured in a way that does not permit multiple assignments for specific operations.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the work order in question and check