How to update/change text of a Multi Line Editable Text Box without compiler errors?

With version 4.5, inside a UMG user widget blueprint I’m trying to update the text in a Multi Line Editable Text Box dynamically within blueprints by using “set text” (target is multilineeditabletextbox). It results with this compiler error: “Internal compiler error inside CreateExectutionSchedule (site2); please contact the framework team as we need a repro for this bug!” and “[2544.75] Compile of w_hud failed. 6 fatal errors!”

Is there a preferred way for the text to be SET by blueprints other than the Set Text node?