How To Fix ME678 - Purchase order unit &1 allows fewer decimal places only

ME678 - Overview

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 678

• Message text: Purchase order unit &1 allows fewer decimal places only

What causes this issue?

The purchase order unit &V1& that you are using has been defined in
Customizing in such a way that the system uses only &V2& decimal places
for the order quantity.
However, in your current PO item you are using more decimal places
than this.
This may happen if you copy data from a requisition into the purchase
order, for example.

System Response

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

How to fix this error?

Either check and correct your PO quantity, or change the order unit if
necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ME678 - Purchase order unit &1 allows fewer decimal places only ?

  The SAP error message ME678 indicates that there is a mismatch between the number of decimal places allowed for a purchase order unit and the quantity being entered. This typically occurs when the quantity specified in the purchase order has more decimal places than what is defined for the unit of measure (UoM) in the material master or the purchase order settings.
  
  Cause:
  
  Decimal Places Configuration: The unit of measure (UoM) defined for the material in the material master may allow fewer decimal places than the quantity being entered in the purchase order.
  Incorrect Quantity Entry: The user may have entered a quantity with more decimal places than the UoM allows.
  Unit of Measure Settings: The settings for the UoM in the purchasing info record or material master may not be aligned with the expected values.
  
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03).
  Check the UoM settings under the "Basic Data" or