Implicit target for "set" function in console
Unlike the original engine's console, openMW doesn't let you call "set" on an object's local variables when that object is targeted by the console. It's only a minor inconvenience for playtesting, since you can do the same thing by rewriting the instruction as
Set "objectID".localvariable to ...
(RM-3893 from redmine: created on 2017-06-01 by rot tor, )