How To Fix UCFV026 - A validation rule cannot be located below a message

SAP Error Message - Details

• Message type: E = Error

• Message class: UCFV - Messages for Validation

• Message number: 026

• Message text: A validation rule cannot be located below a message

What causes this issue?

You wanted to insert a validation rule under a message. This is not
permitted.

System Response

The action is ignored.

How to fix this error?

Messages can only be inserted under a true-or-false node.
Validation checks can be inserted beneath a true-or-false node or
directly under a validation method.

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.