How To Fix O8386 - Volume unit of measure & will not be changed

O8386 - Overview

• Message type: E = Error

• Message class: O8 - IS-Oil: TD Transportation and Distribution

• Message number: 386

• Message text: Volume unit of measure & will not be changed

What causes this issue?

You have requested to copy data from the equipment/fleet object master
to your transport unit. The volume unit of measure maintained on the
fleet object differs from the one specified in the transport unit.
However, volume capacities have already been maintained for some
compartments of your transport unit. Therefore, changing the volume
unit of measure would lead to inconsistencies.

System Response

The volume unit of measure will not be changed.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

O8386 - Details

• The SAP error message O8386, which states "Volume unit of measure & will not be changed," typically occurs in the context of material management or inventory management when there is an attempt to change the unit of measure for a material that is not allowed due to certain constraints.
  
  Cause:
  
  Unit of Measure Configuration: The unit of measure for a material may be configured in such a way that it cannot be changed. This could be due to settings in the material master or the way the material is defined in the system.
  Stock Management: If there is stock on hand in the current unit of measure, SAP may prevent changes to avoid inconsistencies in inventory records.
  Transaction Type Restrictions: Certain transaction types may have restrictions on changing units of measure, especially if they are linked to specific business processes.
  Dependencies on Other Data: The unit of measure may be linked to other data or