How To Fix IW303 - No reference object selected

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 303

• Message text: No reference object selected

What causes this issue?

You requested the selection of an <GL:assembly>assembly</> by means of
the structure list or structure graphic, but did not select an assembly.

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

System Response

The system did not change the original assembly in the operation.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW303 - No reference object selected ?

  The SAP error message IW303 "No reference object selected" typically occurs in the context of maintenance processing, particularly when trying to create or process a maintenance order or notification. This error indicates that the system expects a reference object (like a functional location, equipment, or another maintenance order) to be selected or specified, but none has been provided.
  Causes:
  
  Missing Reference Object: The most common cause is that the user has not selected a reference object when trying to create or process a maintenance order or notification.
  Incorrect Transaction: The transaction being used may not be appropriate for the type of reference object being worked with.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or select the reference objects.
  Configuration Issues: There may be configuration settings in the SAP system that are not set up correctly, leading to this error.
  
  Solutions:
  
  Select a Reference Object: Ensure that you have selected a valid reference object (like equipment or functional location) before proceeding. This can usually be done in the initial screen of the maintenance order or notification creation.
  Check Transaction Type: Verify that you are using the correct transaction for the type of maintenance activity you are trying to perform. For example, if you are trying to create a maintenance order, ensure you are in the correct transaction code (e.g., IW31 for creating orders).
  Review Authorizations: Check if you have the necessary authorizations to access the reference objects. If not, contact your SAP security administrator to grant the required permissions.
  Consult Configuration: If the issue persists, consult with your SAP Basis or configuration team to ensure that the system is set up correctly for maintenance processing.
  Use Help Documentation: Utilize SAP's help documentation or transaction-specific help (F1) to understand the fields and requirements for the transaction you are working on.
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to maintenance orders include IW31 (Create Order), IW32 (Change Order), IW33 (Display Order), and IW21 (Create Notification).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  User Training: Ensure that users are trained on how to properly create and manage maintenance orders and notifications, including the importance of selecting reference objects.
  
  If the problem continues after trying these solutions, it may be beneficial to reach out to your SAP support team for further assistance.