How To Fix CRM_BILLPLAN602 - Product cannot be changed

CRM_BILLPLAN602 - Overview

• 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.

CRM_BILLPLAN602 - Details

• 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