Message type: E = Error
Message class:  COM_PRODUCT_BOM - Error Messages in Development Class of Same Name 
Message number: 004
Message text: Product &1 may not be a component product in logical system &2
When the product was uploaded to an R/3 Retail system, an article
category was selected which is not allowed as a component. You
therefore cannot use the product as a component of a structured
product.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Only certain article categories are allowed as components in R/3
Retail. When uploading a product, you therefore need to know whether
you will later want to use the product as a component of a structured
product.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message COM_PRODUCT_BOM004 indicates that the product specified (denoted as &1) cannot be used as a component product in the logical system specified (denoted as &2). This error typically arises in the context of Bill of Materials (BOM) or product structure management within SAP.
Cause: Product Configuration: The product may not be configured correctly in the system. It might not be set up as a component product in the specified logical system. Logical System Settings: The logical system may not have the necessary configurations or authorizations to recognize the product as a component. Master Data Issues: The product master data may be incomplete or incorrect, leading to the system not recognizing it as a valid component. Cross-Plant or Cross-Logical System Issues: If the product is being referenced across different plants or logical systems, there may be inconsistencies in how the product is defined in those systems.
Solution: Check Product Configuration: Verify that the product is correctly
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