How To Fix IWO_BAPI135 - The sales organisation data in order &1 cannot be changed

IWO_BAPI135 - Overview

• Message type: E = Error

• Message class: IWO_BAPI - BAPIs for ALM Orders: Messages

• Message number: 135

• Message text: The sales organisation data in order &1 cannot be changed

What causes this issue?

You tried to change the sales organization data in order &V1&. However,
these changes cannot be made, because either a sales document is
assigned to the service order or the status of the service order does
not allow the changes.

System Response

The system terminates processing.

How to fix this error?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.

IWO_BAPI135 - Details

• The SAP error message IWO_BAPI135 indicates that there is an issue with changing the sales organization data in a sales order. This error typically arises when there are restrictions on modifying certain fields in the sales order after it has been created. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Sales Order Status: The sales order may be in a status that does not allow changes to the sales organization data. For example, if the order has already been delivered or invoiced, changes to certain fields may be restricted.
  Document Flow: If there are subsequent documents (like delivery or billing documents) created from the sales order, the sales organization data cannot be changed.
  Configuration Settings: The system configuration may restrict changes to certain fields based on business rules or settings in the sales order type.
  User Authorizations: The user may not have the necessary authorizations to make changes to the sales