How To Fix MSI_ECC002 - Base unit of measure must not be changed

MSI_ECC002 - Overview

• Message type: E = Error

• Message class: MSI_ECC - Mini platform ECC object messages

• Message number: 002

• Message text: Base unit of measure must not be changed

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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MSI_ECC002 - Details

• The SAP error message MSI_ECC002 ("Base unit of measure must not be changed") typically occurs in the context of material management and inventory management within SAP ERP systems. This error indicates that there is an attempt to change the base unit of measure for a material that is not allowed due to various constraints.
  
  Cause:
  
  Material Master Data: The base unit of measure for a material is a critical attribute that defines how the material is quantified. Changing it can lead to inconsistencies in inventory management, pricing, and reporting.
  Existing Transactions: If there are existing transactions (like purchase orders, sales orders, or stock movements) that reference the material, SAP will prevent changes to the base unit of measure to maintain data integrity.
  Configuration Settings: Certain configuration settings in the material master may restrict changes to the base unit of measure.
  
  
  Solution:
  
  
  Check Existing Transactions: Before attempting to change the base unit of measure, ensure that there