Message type: E = Error
Message class:  MSI_CUST_PRODCAT - Message Class for Loading to Category Hierarchies 
Message number: 102
Message text: Material types: root category not found
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The SAP error message MSI_CUST_PRODCAT102 indicates that there is an issue with the material types in the context of product categorization. Specifically, the error message states that the "root category not found," which typically means that the system is unable to locate the root category for the specified material type in the product catalog.
Cause: Missing Root Category: The root category for the specified material type has not been defined or is missing in the product categorization settings. Incorrect Configuration: The configuration settings for the material type may not be correctly set up in the system. Data Inconsistency: There may be inconsistencies or errors in the data related to the product categories or material types. Authorization Issues: The user may not have the necessary authorizations to access the required categories.
Solution: Check Root Category Configuration: Navigate to the product categorization settings in SAP. Verify that the root category for the material type in question is defined and active. If it
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