No government monarchy (Europa Universalis 4)

Hi . Please tell me what kind of disaster from Castile : the war of the Castilian inheritance . Written( verbatim) :
One of the following conditions must be satisfied :
A Junior partner in the Union
NO government monarchy
Tell me what to do-you need to have a disaster has passed? Just a long time in Europe not played any DLC povyhodilo...
P?S I Have no Union , no, generally only the game started , bent over Morocco for a while and then the disaster came out:c
And Rusik light , if necessary