Custom event doesn't show up ingame. Plz help

    	    form_spain_cst = {
    		    image = fugitive_slave_act	
    		    potential = {
    			    OR={		
    			    primary_culture = spanish
			    primary_culture = catalan			
		            primary_culture = galician
		            }
			    NOT = {
				    exists = SPA
			    } 
		    }	
		    allow = {
			    war = no
			    SPA = {
				    all_core = {
				    OR={
					    OR = {
						    owned_by = THIS
						    owner = {
							    in_sphere = THIS
						    }
					    }
					    NOT = {
							    culture =	portuguese
						    }
					    }
				    }
			    }
		    } 
		
		    effect = {
			    prestige = 10
			   any_country = {
				    limit = {
					    in_sphere = THIS
					    NOT = {
						    tag = THIS
					    }
					    capital_scope = { continent = europe }
					    OR = {
						    primary_culture = spanish
						    primary_culture = catalan
						    primary_culture = galician
						    primary_culture = basque
					    }
				    }
				    annex_to = THIS
			    }
			    any_owned = {
				    add_core = SPA
			    }			
			
			    change_tag = SPA
		    }
		    ai_will_do = {
			    factor = 1
		    }
	    }