The KPI is : COUNT_TABLE("EKPO") and I have added the next component filters
FILTER "_CEL_P2P_ACTIVITIES"."ACTIVITY_EN" NOT IN (<%=Blacklist_Activities%>); (this one works)
FILTER "_CEL_P2P_ACTIVITIES"."ACTIVITY_EN" NOT IN (INDEX_ACTIVITY_TYPE <%=Rework_activity_more_than_1%> > 1); (this one is the one that doesn't work. Error: Missing '('