Message type: E = Error
Message class: /SAPAPO/MC01 -
Message number: 066
Message text: The product is being referenced, class change not possible
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/SAPAPO/MC01066
- The product is being referenced, class change not possible ?The SAP error message /SAPAPO/MC01066 indicates that a product is being referenced in a way that prevents a class change from being executed. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you attempt to change the classification of a product that is currently being used in various planning scenarios or transactions.
Cause: Active References: The product is actively referenced in various planning objects, such as demand planning, supply network planning, or production planning. Locked Data: The product may be locked due to ongoing processes or transactions that are using it. Dependencies: There may be dependencies or relationships with other products or planning objects that prevent the class change. Master Data Issues: The product master data may not be in a state that allows for changes to be made.
Solution: Check References: Identify where the product is being referenced. You can use transaction codes like /SAPAPO/MC62 (Product View) or /SAPAPO/MC63 (Product Master)
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