How To Fix OQ_C420 - Different units of measure defined for child and parent tanks

OQ_C420 - Overview

• Message type: E = Error

• Message class: OQ_C - IS-Oil SSR : Message pool Fuels

• Message number: 420

• Message text: Different units of measure defined for child and parent tanks

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OQ_C420 - Different units of measure defined for child and parent tanks ?

  The SAP error message OQ_C420 indicates that there is a mismatch in the units of measure (UoM) defined for a parent tank and its child tanks in the system. This typically occurs in scenarios involving tank management, where a parent tank (which may represent a larger storage unit) contains child tanks (which may represent smaller storage units).
  
  Cause:
  The error arises when:
  
  The parent tank is defined with a specific unit of measure (e.g., liters, gallons) that differs from the unit of measure defined for one or more of its child tanks.
  This discrepancy can lead to confusion in inventory management, reporting, and transactions, as the system expects consistent units of measure for proper calculations and operations.
  
  
  Solution:
  To resolve the OQ_C420 error, you can follow these steps:
  
  
  Check Tank Definitions:
  
  Go to the tank management module in SAP and review the definitions of both the parent tank and the child tanks.
  Ensure that the units of measure for