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

SAP Error Message - Details

• 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 checks to ensure that only valid characters are entered into the system.
  Review Configuration: Check the configuration settings in the WM module to ensure that they are set up correctly to handle the expected input.
  Field Length: Ensure that the values being entered do not exceed the maximum length defined for the respective fields.
  Use Transaction Codes: If applicable, use transaction codes like LS01N (Create Storage Location) or LT01 (Create Transfer Order) to re-enter the data correctly.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the field requirements and valid character sets.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Logs: Review transaction logs to identify the exact point of failure and the data being processed at that time.
  User Exits or BAdIs: If custom code is involved, check for any user exits or BAdIs that may be affecting the data processing.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.