How To Fix OIJ_NOM030 - Nomination is not balanced. Check the line quantities

OIJ_NOM030 - Overview

• Message type: E = Error

• Message class: OIJ_NOM - TSW - Nominaition message class

• Message number: 030

• Message text: Nomination is not balanced. Check the line quantities

What causes this issue?

For the complete nomination the inbound and outbound quantities are
summed up. Any differing units of measure are converted into the header
section, which is defaulted from the transport system.
Whether a quantity needs to be evaluated as inbound or outbound, is
defined by the movement scenario through the document indicator and
schedule item type.
If the sum of the inbound and outbound quantities differ, the
nomination is not balanced.
The inbound quantity is &V1& whereas the outbound quantity is &V2&.

System Response

The severity of the material imbalance for the nomination transaction
is determined by the validation Customizing.
This Customizng determines whether you can save the nomination and
whether the imbalance causes an 'incomplete' nomination status.

How to fix this error?

Check the material quantities and/or add further lines to adjust the
balance.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

OIJ_NOM030 - Details

• The SAP error message OIJ_NOM030, which states "Nomination is not balanced. Check the line quantities," typically occurs in the context of the Oil and Gas industry within the SAP system, particularly when dealing with nominations in the Oil Industry Solution (OIS) module. This error indicates that there is a discrepancy in the quantities specified in the nomination lines, meaning that the total quantities do not match or balance as expected.
  
  Cause:
  
  Quantity Mismatch: The total quantity of the nomination does not equal the sum of the quantities of the individual line items. This could be due to data entry errors or incorrect calculations.
  Incorrect Line Items: There may be line items that are not properly defined or have incorrect values, leading to an imbalance.
  Missing Data: Some line items may be missing required data, which can affect the overall balance.
  Rounding Issues: Rounding differences in quantity calculations can sometimes lead to imbalances.
  
  Configuration Issues: There may