How To Fix UPF086 - Variable &1 must have the type of a field to be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: UPF - Planning Functions

• Message number: 086

• Message text: Variable &1 must have the type of a field to be changed

What causes this issue?

The formula contains a variable declaration in which an invalid type is
used. Only those characteristics are allowed as types which are
contained in the list of fields to be changed of the formula function.

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?

Change the type of the variable to that of a field to be changed. You
can find out which characteristics are possible here from the
presentation in the formula operand: All fields to be changed are
contained in the formula operands

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.