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.