How To Fix UCUM028 - Value combination &1 is not valid

UCUM028 - Overview

• Message type: E = Error

• Message class: UCUM - Messages for Monitor

• Message number: 028

• Message text: Value combination &1 is not valid

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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UCUM028 - Details

• The SAP error message UCUM028, which states "Value combination &1 is not valid," typically occurs in the context of SAP's Unit of Measure (UoM) or related configuration settings. This error indicates that the system has encountered a combination of values that does not conform to the expected or defined parameters in the system.
  Causes:
  
  Invalid Unit of Measure (UoM): The combination of units being used may not be valid for the specific context (e.g., a unit of measure that is not allowed for a particular material or transaction).
  
  Configuration Issues: There may be issues in the configuration of the units of measure in the system, such as missing or incorrectly defined conversion factors.
  Data Entry Errors: Users may have entered incorrect or incompatible values in the transaction or master data.
  Missing Master Data: The relevant master data (like material master or vendor master) may not be set up correctly, leading to invalid combinations.
  Custom Logic: If