How To Fix M3027 - & cannot be used as alt. unit since resulting unit would be too long

M3027 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 027

• Message text: & cannot be used as alt. unit since resulting unit would be too long

What causes this issue?

You have entered an alternative unit of measure which, when converted
to the base unit of measure, would be too long to fit into the
corresponding field.
Example
You define <LS>G</> as the base unit of measure, <LS>KG</> as the first
alternative unit of measure, and <LS>TO</> as the second alternative
unit of measure. According to the table, 1,000 g = 1 kg, and 1,000 kg =
1 t. As a result, 1,000,000 g equals 1 t, but this value is too long to
fit into the corresponding field.

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?

Reset the alternative unit of measure.

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 M3027 - & cannot be used as alt. unit since resulting unit would be too long ?

  The SAP error message M3027 typically indicates that there is an issue with the unit of measure (UoM) configuration in the system. Specifically, the error message "cannot be used as alt. unit since resulting unit would be too long" suggests that the alternative unit of measure you are trying to set up or use is resulting in a unit that exceeds the allowed length or format defined in the system.
  
  Cause:
  
  Unit of Measure Configuration: The alternative unit of measure you are trying to use may not be properly configured in the system, or it may be incompatible with the primary unit of measure.
  Length Restrictions: SAP has certain restrictions on the length of unit of measure codes. If the resulting unit of measure exceeds these limits, you will encounter this error.
  Decimal Places: The number of decimal places defined for the unit of measure may not be compatible with the primary unit of