How To Fix IW812 - The person proposed cannot be assigned to the operation

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 812

• Message text: The person proposed cannot be assigned to the operation

What causes this issue?

The proposed person cannot be assigned to the operation.

System Response

The assignment of the person was not executed successfully.

How to fix this error?

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

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 IW812 - The person proposed cannot be assigned to the operation ?

  The SAP error message IW812 ("The person proposed cannot be assigned to the operation") typically occurs in the context of work order management, particularly when trying to assign a person (or resource) to a specific operation within a maintenance order or production order. This error can arise due to several reasons, and understanding the cause is essential for finding a solution.
  Causes of IW812 Error
  
  
  Resource Availability: The person you are trying to assign may not be available for the operation due to scheduling conflicts or unavailability.
  
  
  Qualification Mismatch: The person may not have the required qualifications or skills needed for the specific operation. Each operation may have specific requirements that need to be met.
  
  
  Work Center Assignment: The work center associated with the operation may not be correctly set up to allow the assignment of the person. This could include issues with the work center's capacity or the person not being assigned to the correct work center.
  
  
  Status of the Order: The maintenance or production order may be in a status that does not allow for assignments (e.g., if the order is closed or technically completed).
  
  
  Personnel Data Issues: There may be issues with the personnel master data, such as missing or incorrect information.
  
  
  Solutions to IW812 Error
  
  
  Check Resource Availability: Verify that the person is available for the operation. You can check their calendar or schedule to ensure they are not booked for other tasks.
  
  
  Verify Qualifications: Ensure that the person has the necessary qualifications for the operation. You can check the qualifications assigned to the person in their personnel master data and compare them with the requirements of the operation.
  
  
  Review Work Center Settings: Check the configuration of the work center associated with the operation. Ensure that the person is assigned to the correct work center and that the work center is set up to allow assignments.
  
  
  Check Order Status: Make sure that the order is in a status that allows for assignments. If the order is closed or completed, you may need to reopen it or create a new order.
  
  
  Update Personnel Data: If there are issues with the personnel master data, update the necessary information to ensure it is complete and accurate.
  
  
  Consult with SAP Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP documentation for further troubleshooting steps.
  
  
  Related Information
  
  Transaction Codes: You may use transaction codes like IW31 (Create Order), IW32 (Change Order), and IW33 (Display Order) to manage work orders and check assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training and Documentation: Ensure that users are trained on the proper procedures for assigning resources to operations and that they have access to relevant documentation.
  
  By following these steps, you should be able to identify the cause of the IW812 error and implement the appropriate solution.