How To Fix O8843 - UoM, number of digits, and conversion factor cannot be changed

O8843 - Overview

• Message type: E = Error

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

• Message number: 843

• Message text: UoM, number of digits, and conversion factor cannot be changed

What causes this issue?

The UoM, number of digits, and conversion factor cannot be changed.

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?

Readings have already been taken using the rack meter. Therefore, the
above fields cannot be changed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O8843 - UoM, number of digits, and conversion factor cannot be changed ?

  The SAP error message O8843 indicates that there is an issue with the unit of measure (UoM) configuration in the system. Specifically, it states that the number of digits and the conversion factor for a unit of measure cannot be changed. This error typically arises when you attempt to modify the attributes of a unit of measure that is already in use or has been defined in a way that does not allow changes.
  
  Cause:
  
  Existing Usage: The unit of measure is already being used in various transactions or master data records, which prevents changes to its configuration.
  System Restrictions: SAP has built-in restrictions to maintain data integrity, especially for units of measure that are linked to material master records, purchasing documents, or sales documents.
  Configuration Settings: The unit of measure may have been defined in a way that does not allow changes to certain attributes after it has been created.
  
  
  Solution:
  
  Check Usage: Before attempting