How To Fix UA_FORMULA049 - Method &1 of class &2 cannot be used

SAP Error Message - Details

• Message type: E = Error

• Message class: UA_FORMULA - Formula Editor Messages

• Message number: 049

• Message text: Method &1 of class &2 cannot be used

What causes this issue?

You attempted to use a customer-defined ABAP method in a formula.
However, you can only use a customer-defined method in formulas if it
meets the following conditions:
The method must be static (not an instance method).
Visibility: Public.
Abstract: No.
All parameters must be typed with DDIC types.
A parameter of the type 'Returning' exists.
Exceptions: Only class-based exceptions can be triggered.
Method &v1& of class &v2& does not meet at least one of these
conditions.

System Response

Method &v1& cannot be used in formulas.

How to fix this error?

Adjust the definition or interface of method &v1& so that it meets the
conditions named above.

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.