How To Fix UCMT004 - Period cat. group may not contain a &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UCMT - Messages for Time Periods

• Message number: 004

• Message text: Period cat. group may not contain a &1

What causes this issue?

The key of the period category group contains character &V1&. However,
this character is not permitted for a period category group.

System Response

You cannot create any period category groups with this key.

How to fix this error?

Create a new period category group with a key that does not contain any
&V1&.

Procedure for System Administrators

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.