How To Fix CRM_BILLPLAN602 - Product cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_BILLPLAN - Messages for billing plan set

• Message number: 602

• Message text: Product cannot be changed

What causes this issue?

You tried to change the product of the item.
However, the item has a billing plan, in which the billing request
items were already fully or partially billed.

System Response

The product cannot be changed.

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 CRM_BILLPLAN602 - Product cannot be changed ?

  The SAP error message CRM_BILLPLAN602, which states "Product cannot be changed," typically occurs in the context of billing plans or contracts in SAP CRM (Customer Relationship Management). This error indicates that the system has detected an issue with changing the product associated with a billing plan or contract.
  Causes:
  
  Product Status: The product may be in a status that does not allow changes. For example, if the product is already being used in a billing plan or has been delivered, it may be locked for changes.
  Contractual Obligations: If there are existing contractual obligations tied to the product, the system may prevent changes to ensure compliance with those obligations.
  Billing Plan Configuration: The configuration of the billing plan may restrict changes to the product once it has been created.
  Dependencies: There may be dependencies or relationships with other objects (like sales orders, deliveries, etc.) that prevent the product from being changed.
  
  Solutions:
  
  Check Product Status: Verify the status of the product in the system. If it is locked or in a status that does not allow changes, you may need to change its status or create a new product.
  Review Contractual Obligations: Check if there are any active contracts or agreements that reference the product. If so, you may need to modify or terminate those contracts before making changes.
  Consult Configuration Settings: Review the configuration settings for billing plans in your SAP system. There may be settings that restrict changes to products once a billing plan is created.
  Create a New Billing Plan: If changing the product is not possible, consider creating a new billing plan with the desired product instead of modifying the existing one.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide insights based on your specific system configuration and version.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CRMD_ORDER for managing CRM orders and CRMD_ORDERADM_H for accessing order administration.
  Documentation: Review SAP documentation related to billing plans and product management for additional insights and best practices.
  User Roles and Authorizations: Ensure that the user attempting to make the change has the necessary authorizations to modify products and billing plans.
  
  By following these steps, you should be able to diagnose and address the issue related to the CRM_BILLPLAN602 error message in SAP.