How To Fix OILQU006 - Price unit cannot be changed; entries with '&' already exist

OILQU006 - Overview

• Message type: E = Error

• Message class: OILQU - Messages for Market Data: Maintenance Views for Commodities

• Message number: 006

• Message text: Price unit cannot be changed; entries with '&' already exist

What causes this issue?

You have changed the price unit for the quotation. However, the price
notation table OICQP already contains quotations in the old price unit.

System Response

The system does not allow you to process quotations with different
price units if they have the same source, type and number.

How to fix this error?

Reverse the change to ensure that the same price unit applies to all
quotations, or delete all the other quotations that have the same
source, type and number from the quotation table.

Error message extract from SAP system. Copyright SAP SE.

OILQU006 - Details

• The SAP error message OILQU006 indicates that there is an issue with changing the price unit for a material or service in the system. Specifically, it means that there are existing entries in the system that are associated with the current price unit, and changing it would create inconsistencies.
  
  Cause:
  The error occurs when you attempt to change the price unit of a material or service in a transaction where there are already existing entries (like purchase orders, contracts, or other documents) that reference the current price unit. The system prevents this change to maintain data integrity and avoid discrepancies in pricing and inventory management.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Entries: Identify the existing entries that are causing the conflict. You can do this by checking purchase orders, contracts, or any other documents that reference the material or service.
  
  
  Adjust or Delete Entries: If possible, adjust or delete