How To Fix O1077 - Unit of measure changed (old: &,new: &)

O1077 - Overview

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 077

• Message text: Unit of measure changed (old: &,new: &)

What causes this issue?

Document item data differs from quantity schedule data, it should be
the same as the quantity schedule ->, please maintain manually.

System Response

How to fix this error?

Go to quantity schedule maintenance, before leaving the quantity
schedule, a popup is displayed asking if you want to make the quantity
schedule data equal to the document item data. Please check the
quantities and use the "Restructure QS" function if possible. If some
schedule lines have already been called-off, it is possible to correct
quantities with a special function in Report ROIACM00.
&reference&
<DS:GLOS.unit of measure>Unit of measure</> /
<DS:GLOS.order unit>order unit</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O1077 - Unit of measure changed (old: &,new: &) ?

  The SAP error message O1077, which states "Unit of measure changed (old: &, new: &)," typically occurs when there is a discrepancy between the unit of measure (UoM) defined in the system and the one being used in a transaction or document. This can happen in various contexts, such as during the creation of purchase orders, sales orders, or inventory management.
  
  Cause:
  
  Unit of Measure Change: The most common cause is that the unit of measure for a material has been changed in the material master or in the relevant configuration settings.
  Inconsistent Data: The transaction is trying to use a different unit of measure than what is defined in the material master or the relevant document.
  Conversion Issues: There may be issues with the conversion factors between different units of measure, leading to inconsistencies.
  Master Data Updates: Changes in the material master data that have not been propagated to all relevant documents or transactions.
  
  
  Solution:
  
  Check