How To Fix WM378 - Char. & (&) does not have alphanum. single vals.; comparison not possible

WM378 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 378

• Message text: Char. & (&) does not have alphanum. single vals.; comparison not possible

What causes this issue?

Status: Rel 1.1
The classification comparison in assortment control can only compare
characteristics and values of the material and assortment with each
other directly as alphanumeric constants.
&EXAMPLES&
Characteristic Values
Material COMPOSITION 10
Assortment COMPOSITION 10
20
The following is not possible:
Characteristic Values
Material COMPOSITION 10.2
Assortment COMPOSITION 10 - 12

System Response

Comparison always results in positive values.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM378 - Char. & (&) does not have alphanum. single vals.; comparison not possible ?

  The SAP error message WM378 indicates that there is an issue with the character or value being used in a warehouse management (WM) context. Specifically, it suggests that the character or value does not have a valid alphanumeric single value, which makes comparison operations impossible.
  
  Cause:
  
  Invalid Character: The character or value being processed may contain special characters or formats that are not recognized as valid alphanumeric characters.
  Data Entry Error: There may have been a mistake in data entry, leading to an invalid character being included in the input.
  
  Configuration Issues: The system configuration may not be set up to handle certain characters or formats, leading to this error.
  Field Length Exceeded: The value may exceed the expected length for the field, causing it to be treated as invalid.
  
  
  Solution:
  
  Check Input Values: Review the input values for any special characters or formatting issues. Ensure that only valid alphanumeric characters are used.
  Data Validation: Implement data validation