How To Fix UMK024 - Name must be alphanumeric

SAP Error Message - Details

• Message type: E = Error

• Message class: UMK - Measures

• Message number: 024

• Message text: Name must be alphanumeric

What causes this issue?

You used a character that does not belong to the inventory of valid
characters, such as
Umlauts ("S", "?", "n", "-", "+", "_")
The character "?"
Characters with diacritics (for example "?")
Characters, which are no numerals or letters (for example "\", "-" or
"+")

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?

Replace the invalid characters with a valid character.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMK024 - Name must be alphanumeric ?

  The SAP error message UMK024, which states "Name must be alphanumeric," typically occurs when you are trying to enter a name or identifier in a field that only accepts alphanumeric characters (letters and numbers) but the input contains special characters, spaces, or other invalid characters.
  Cause:
  
  Invalid Characters: The input contains special characters (e.g., @, #, $, %, &, etc.) or spaces.
  Field Restrictions: The field is defined in the system to only accept alphanumeric characters, and the input does not comply with this requirement.
  Data Entry Error: The user may have inadvertently included invalid characters while typing.
  
  Solution:
  
  Check Input: Review the input for the name or identifier and ensure it only contains letters (A-Z, a-z) and numbers (0-9). Remove any special characters or spaces.
  Use Correct Format: If there are specific formatting rules for the name (e.g., length restrictions), ensure that your input adheres to those rules.
  Validation: If you are using a program or script to input data, add validation checks to ensure that only alphanumeric characters are included before submission.
  Consult Documentation: Refer to the relevant SAP documentation or user guides for the specific module you are working with to understand any additional constraints on the input.
  
  Related Information:
  
  Field Length: Check if there are any restrictions on the length of the name or identifier.
  SAP Notes: Look for any SAP Notes related to this error message for additional context or updates.
  User Training: Ensure that users are trained on the correct data entry practices to avoid such errors in the future.
  Debugging: If the error persists and you believe the input is correct, consider debugging the transaction or program to identify any underlying issues.
  
  If you continue to experience issues after following these steps, it may be helpful to consult with your SAP support team or refer to SAP community forums for further assistance.